Spray sunscreens are even worse than we thought: a laboured analysis

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Sunscreen sprays seem like the perfect way to reapply sunscreen. But how effective are they? I did some experiments to find out, and the results were pretty shocking.
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0:00 Intro
0:33 Why sprays are tricky
2:33 Where does the spray go?
5:04 More complicatedness: Volatile ingredients
8:49 How much lands on your face?
10:37 What if you try really hard?
14:53 What if you try even harder?
17:21 Even coverage?
18:45 Aerosol sprays are… worse
22:27 What we learned
Aerosol spray studies: www.arpansa.gov.au/sites/defa..., www.arpansa.gov.au/sites/defa...
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🙋🏻 I'm Michelle, a chemistry PhD, cosmetic chemist and science educator, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!
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3 авг 2024

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Комментарии : 835

@lygophilia4127 25 дней назад

"plus he wasn't really spraying the spray like a normal person." This is how I describe things my husband does, as well. 😆

@UnpurrfectRobyn 24 дня назад

Same! 🤣

@excuseme2770 24 дня назад

I ran to the comments the minute this happened 😭

@megan_beveridge 20 дней назад

We of little faith 😂

@dehosyt 25 дней назад

You could tell her scientific background with how critical she is with every one of her experiment and how convoluted she has to be to figure out and solve every flaw

@LabMuffinBeautyScience 24 дня назад

It's the PhD trauma, you get used to having to defend every conclusion you make in front of a row of very nitpicky academics who may be working on competing projects 😅

@rosmarbal 24 дня назад

@@LabMuffinBeautyScience LOL PhD trauma. 100% true 😢😆

@ap3he 20 дней назад

@@LabMuffinBeautyScience as a fellow PhD girly I really FELT this comment. Thanks for all your hard work - this is a symposium level body of work 😅

@qwmx 18 дней назад

@@LabMuffinBeautyScienceIT'S NOT TRAUMA. THIS. IS.CRITICAL.THINKING. Sorry, my bad. I was an ex-wannabe researcher and while I do think like you, I don't see enough of this thinking in the general populace. It's normally those in specialised fields that think like this.

@carochan86 12 дней назад

I love it.

@tavolinov.8857 25 дней назад

Tbh the results are insane-. I expected It wouldn't be good but I really did not expect it would be THIS bad... And it's not like I would ever think "Yeah!! It's so REASONABLE and USER FRIENDLY! Obviously I NEED TO SPRAY IT 180 TIMES to MAYBE get enough protection from this!!"

@LabMuffinBeautyScience 25 дней назад

@@tavolinov.8857 Right?? I absolutely did NOT expect these numbers!

@maimee1 25 дней назад

I think it's always known to be a less optimal amount of protection, but maybe we shouldn't use this delivery method until we have SPF 150 labeled or something.

@asuka-ryo 24 дня назад

@@maimee1 SPF higher than SPF 50 doesn't offer much protection difference (to SPF 50). That's why most brands don't bother to create sunscreens with higher SPFs.

@werm3169 24 дня назад

@asuka-ryo Not so. Higher SPF compensates for imperfect application (see: applying half the recommended amount of sunscreen halves the SPF; therefore, higher SPF sunscreens will provide higher SPF when applied poorly) and would compensate for the very imperfect nature of sunscreen sprays, too. The reason why brands don't make sunscreens with SPF higher than 50 is because doing so often requires using higher concentrations of UV filters and/or film formers, which becomes cosmetically inelegant as fuck really fast. There's a lot of effort that has to go into making a high SPF sunscreen that people actually want to use

@maimee1 24 дня назад

@@werm3169 That's exactly what I was thinking. Thanks for explaining lol

@D0B3RW0M4N 25 дней назад

GIVE ME THE SCIENCE MICHELLE IM READY

@user-rh6ru5oz2o 25 дней назад

The research design stuff is every bit as interesting as the sunscreen information

@LabMuffinBeautyScience 25 дней назад

I wanted to make sure everyone could feel my pain 😩

@ruaoneill9050 23 дня назад

@@LabMuffinBeautyScience you succeeded! We appreciate your sacrifice

@christenh359 21 день назад

This is fantastic.

@carochan86 12 дней назад

@@LabMuffinBeautyScience your too entertaining for it to be painful.

@janette6 25 дней назад

Poor Omar, what a good sport. The toilet sheet was hilarious!

@LabMuffinBeautyScience 25 дней назад

He's a great assistant 😂

@mv848 25 дней назад

OMG the best channel ever. I believe in science. That's how you move forward in life. No BS! Science, numbers, math......

@laurenemerick4350 25 дней назад

*cough cough* you also need philosophy! Critical thinking, parsing arguments, articulation skills, ethics, etc. 😊 Science without critical analysis and bioethics results in things like eugenics. 🤮

@littleprettyfairy 25 дней назад

@@laurenemerick4350yeah as a bio major i think humanities are actually more important. but when it comes to stuff like spf, science is what really matters. bc if you dont listen to the science here u end up with those ppl who think eating meat is enough to stop u from getting skin cancer

@laurenemerick4350 25 дней назад

@@littleprettyfairy for sure! Just shouting out philosophy. 💕 I suppose my response was meant to iterate that more than science is necessary for “moving forward in life.” Certainly we must work with other fields! That’s why we have the phil science ppl. Hahaha

@mv848 25 дней назад

@@laurenemerick4350 You are so right. Thank you for a lovely response. We would be (obviously) monsters w/out morality, ethics...

@fab0527 25 дней назад

But does science believe in you? 🤔

@ER__783 25 дней назад

I cackled with laughter at imperial heathens, I felt seen and attacked all at once hahaha. Loved this video. Greetings from USA.

@katschrader1482 10 дней назад

😂 Same. Brought me joy every time she came for us. It’s just nice to be thought of… 🤣

@peculiar-pan День назад

'merica!

@seanvalentinus 25 дней назад

okay, so i’ve gotten a toilet seat, hung it around my neck, and sprayed sunscreen up both nostrils. that should pretty much cover me for the day, right? do i have to keep wearing the toilet seat all day, or can i take it off?

@LabMuffinBeautyScience 25 дней назад

@@seanvalentinus You keep wearing it all day, and add a new one every morning

@maleahlock 25 дней назад

😂@@LabMuffinBeautyScience

@nanb7017 22 дня назад

@@LabMuffinBeautyScienceI laughed out loud at this comment - Perfect.

@splendidcolors 23 дня назад

My favorite use of stick sunscreen is to prevent hair dye from staining my face. I hadn't been using it as sunscreen because I couldn't apply it evenly enough and it was visibly whitish when I used enough. But it was on my counter when I dyed my hair purple for the first time in years so I tried it as a stain block. It turns out to be easy to apply to the face, neck, and ears and effectively prevented hair dyes from staining my skin. (I know petroleum jelly is what people usually use, but it's difficult to apply around the hairline without smearing it into my hair, and hair that touches it gets coated and won't take dye.) I realize the SPF ingredients are irrelevant to hair dye blocking, but the waterproof "dry finish" base was useful.

@LabMuffinBeautyScience 23 дня назад

That's a really cool hack!

@Orynae День назад

ooh that's a good idea! I haven't had much luck with petroleum jelly either, I just feel like too much gets on my hair. I've just resigned myself to having stained skin after every dye job for the past few years haha

@lumina56 25 дней назад

Me and my bff were in a debate about whether sprays or sticks were better to use (especially for replications) turns out we both were wrong LOL

@heatherburke9583 23 дня назад

Whats best is the option you'll actually use

@aharrypotterfan5951 4 дня назад

@@heatherburke9583 why are you acting like people can only use one, lotion sunscreen is not anywhere near hard enough to apply to where the MAJORITY of people will stop using sunscreen if they can’t use anything else, sprays and sticks are just half-decent alternatives

@knowledgehunter_ 25 дней назад

Hands down! Sunscreen Queen of Internet. I think since covid period I started to watch your videos. Heavily educational. Love love love that. Thank you for all your hard work. Also I have observed that many doctors, estheticians, influencers started to preach after watching your videos but unfortunately people don't give you that credit. Btw Imperial heathens. Lollllllll 😂😂😂

@LabMuffinBeautyScience 25 дней назад

Thank you! ❤

@Poemi10304 23 дня назад

I've seen James Welsh give credit multiple times! 🥰

@LabMuffinBeautyScience 11 дней назад

Love him! He's great at crediting people, it's rare and speaks to his integrity 😊

@sonjaforrester9255 25 дней назад

I will never buy spray again. I didn't like it before but allowed my child to use it for reapplication on the body. But it doesn't provide good enough protection. Boy will he be mad. Thank you for all this very hard work.

@TheOneAndOnlyZouzaa 25 дней назад

So basically it’s not worth using sunscreen sprays as a form of reapplication, best to stick to cream based sunscreens

@kikiTHEalien 25 дней назад

It's better than nothing

@CaptDF97 24 дня назад

@@kikiTHEalien unintuitive as it may sound, it might be worse than nothing, not because the spray doesn’t provide protection, but because it provides inadequate protection and at the same time gives people a false sense of protection from the sun, i.e., people think that they have enough sunscreen on so they spend more time in the sun.

@TheOneAndOnlyZouzaa 24 дня назад

@@kikiTHEalien hmm the thing is this is what I used to think too, but based on the results of this experiment and the amount of money you’re paying per bottle; it isn’t worth the outcome. You’d have to spray a ridiculous amount to get the spf on the label and that’s basically half of the bottle gone. And that’s IF all the spray is hitting your face properly

@lrizzard 24 дня назад

@@kikiTHEalien i remember hearing that it is actually not better than nothing since people would be avoiding the sun instead if they knew they weren't protected. can't cite anything though.

@kaw8473 25 дней назад

Wild coincidence! We are having a heat wave in our area and I actually questioned the spray I was applying. Thankfully RU-vid has grown telepathic and recommended the exact video I needed.

@ahoam 25 дней назад

Another reason why spray sunscreens are appealing: I'm a dark-skinned woman who struggles to find and afford traditional sunscreens that don't make my skin look ashy, using sprays removes that issue

@carochan86 12 дней назад

Have you tried" sheer " sunscreens? I'm pail so it just makes me look more ghostly .

@khxliakhxlia3605 11 дней назад

Yeah I use sprays but spray it on my hand then apply to face

@nentendomofo 10 дней назад

Black girl sunscreen is great cerave is okay

@drezhb 9 дней назад

Could it be that the reason you don't see the issue when using sprays is because not enough product gets on your skin?

@ahoam 9 дней назад

@drezhb no, it's cus the sprays are transparent

@giselioliveira630 23 дня назад

I am brown, I use chemical sunscreen which avoids white cast. I don usually reapply sunscreen (it's too expensive for me) but when I do, like when I am at the beach or outside for too long e use a cushion foundation sponge to reapply. It doesn't scratch my face with sand nor mess up my makeup underneath.

@lasagnasquare5604 8 дней назад

Omg that’s so smart!

@swish043 6 дней назад

That is smart as hell. I think I have a silicone makeup cushion somewhere...

@KittySheep 25 дней назад

This all really explains why I got burned so much as a kid, and have moles popping up so much. I was expected to spray my own sunscreen, without any adult help, for as long as I can remember. I thought that getting burned even with sunscreen was just expected. Thankfully I use lotions and protective clothing now.

@chaoticpoodle 25 дней назад

The best sunscreen is the one you'll use. If it takes wasting 80% of the product to get my parents to wear ANY amount of sunscreen, so be it. Though, I do wish SPF was measured under conditions that even vaguely resemble typical use

@LabMuffinBeautyScience 25 дней назад

Yes and no - there are studies showing that if people think they're a lot more protected than they are, it changes their behaviour i.e. more sun exposure without additional protection. Given how much is lost with sprays, it's not that different from assuming the SPF in your makeup is enough and you don't need a dedicated sunscreen.

@ThuTran-el4hv 25 дней назад

The "the best sunscreen" quote is the result of research on liquid sunscreen not spray sunscreen. Tbh based on Michelle's test results, I'd say just wear a larger hat and ditch the spray bottle.

@emmao6578 22 дня назад

Is there really no way of getting them to use a decent basic suncream? I've always hated sprays for various reasons so am obviously biased but I just don't get what benefits sprays have? Especially when applying to the face, having to close your eyes and avoid breathing in while awkwardly trying to make sure you're still spraying at your face is just so much worse than applying a cream to your face like any other moisturiser.

@giochacon8354 25 дней назад

LOVE HOW GEEKY this is !!!! thank you for ALL your efforts.

@QTKLo 25 дней назад

Ten years ago, my kids got bad sunburns while we were on vacation. We were using aresol spray sunscreen. We haven't used sunscreen in that form since that day.

@sophiafbezerra4231 25 дней назад

I'd love to see a video on SPF lib balms

@spac3jam514 24 дня назад

Yesss please!

@misskiwi5460 24 дня назад

🙏🙏🙏🙏🙏

@amyamy8177 24 дня назад

yes plz

@amyamy8177 24 дня назад

anecdotaly i feel like something like avene spf 50+ than lrp xl sunstick if you use that on your lips because avene is much more greasy so it feels like it build more on itself but hinestly would love some testing of a few spf 50+ lips balms!

@mashilda7921 23 дня назад

yeah! most of them that I can find are like 15 spf. and they don't really have much instructions

@Vallie352 7 дней назад

This is the most PhD thing ever. I remember when my best friend was going through her neuroscience phd, it reminds me of some of how she’d described how she did her experiments. Love it so much. I can’t wait to read your book!

@raygin6581 25 дней назад

Michelle 👏🏻 for 👏🏻 nobel 👏🏻 prize 👏🏻 2024

@persapphone 25 дней назад

Cant believe i sat here for 20 minutes with my short attention span. You have a way to really keep people’s attention and your videos and posts are always so informative and interesting!

@user-gu9yq5sj7c 25 дней назад

There are buttons on the screen where you can increase the speed of videos or put on subtitles. You can just listen while you're doing other things.

@PredictableEnigma 23 дня назад

Patience is like a muscle, not an inherant quality. You exercise it and it gets easier and easier and requires less effort ❤ anyone can slowly lengthen thier attention span by allowing themselves to be uncomfortable with the inital boredom until the discomfort fades

@sekischro5093 23 часа назад

@@PredictableEnigma some people have adhd and their brain chemistry literally works different

@ellis7796 25 дней назад

I never spray directly on my face. I was taught to spray it in my hands and then rub it on my face.

@AlwaysAmTired 23 дня назад

Mine says to do just that on the label

@mysticfox1663 23 дня назад

Yeah that's how you're supposed to do it but it seems she's basing it off how much people on social media use it and people using it to not ruin any make up. So they wouldn't be rubbing it on with their hands.

@splendidcolors 23 дня назад

@@mysticfox1663 I don't see the point of buying a spray product to spray it on my hands and transfer it to my face. If it needs to be applied by hand, I might as well squeeze or pour it on my hands and avoid getting overspray all over. I can also apply it with my fingertips instead of wasting it on my whole hands. And I don't want overspray all over my clothing! I wouldn't mind it on my hair, ears, and decolletage because they need SPF too. But I don't want it on my clothing. I don't want it leaving oily marks on my clothes that may or may not wash out but certainly look bad while I'm away from home.

@caitthecat 23 дня назад

@@mysticfox1663You're supposed to spray it on your hands? What's the point, then?

@emmao6578 22 дня назад

@@splendidcolors Honestly I'm just glad to find other people who see all the reasons spray sunscreens are such a ridiculous product, I find them really annoying and have never understood why so many people I know default to buying the spray option

@Stephstar80 25 дней назад

Your book, is about to arriiiiiiiiivvveeeeeee!!!!!!!!!........ First Book in ECUADOR 🇪🇨 🤗 ❤️

@LabMuffinBeautyScience 25 дней назад

Ahhhh hope you enjoy it!!

@twiggyvlogs6441 25 дней назад

I got so badly burnt my first time on Bondi beach because i was doing top up sunscreen with the spray and it was getting blown away and super patchy application. Lesson learnt.

@lhmcd5538 25 дней назад

It’s so refreshing to have someone not trying to really dumb things down when discussing something important like sunscreen. Thank you Michelle. I do appreciate it. Heathens 🫣🤭 May you all please take care and stay safe. Louisa. 👏👏👏❤️❤️❤️🤩🤩🤩

@snowballeffect7812 25 дней назад

We used bananaboat spray and to apply to the face, we would spray onto our hands and then apply like a lotion onto our face. obviously this gets rid of any benefit of not messing up your makeup, but it felt like it was a good application method.

@LabMuffinBeautyScience 25 дней назад

I think it's the best way!

@alicegaiba 25 дней назад

<a href="#" class="seekto" data-time="888">14:48</a> I was today years old when I found out that wind exists. Science is amazing

@AnthonyLago 25 дней назад

I love when you discover you are correct because that means we get the Final Fantasy battle victory sound clip and I never tire of that!!

@SaranshV 25 дней назад

I'm in India and FINALLY I'll have The Science of Beauty in my hands this Saturday!!! Cannot wait!!

@JasonAtlas 4 дня назад

I live in Scotland. Last time we saw the sun my family thought a meteor had come to destroy earth and we fled into heather. I am now for some reason invested in sunscreen.

@albertqhumperdinck 25 дней назад

Michelle, you are a gift to the world. Omar is a pretty good sport too! He looks like one of those bread cats with that paper halo! For real though, you always manage to thread the needle of scientific accuracy (like SERIOUSLY PREVENTING CANCERS!) and not only in a funny or entertaining way, but also (I would argue more importantly than even being funny) in a way that doesn`t exclude or alienate people who *don`t like science* and turn away from what they might find intimidating. I just can`t say enough nice things about everything you`ve done on the internet! Standing ovation!

@MariaPetrescu 24 дня назад

Just ordered your book for the city library in Gothenburg, Sweden! Can't wait!

@tinasung3814 25 дней назад

One difference between paper face mask you used to test the spray coverage and an actual human face, is that the paper face mask is flat, where a human face has curvatures which likely will get even less coverage than the date you collected on the face mask.

@LabMuffinBeautyScience 25 дней назад

Yep, it presents more of a rectangular profile to the spray rather than an oval - I didn't talk about this but I did try to contour it a bit more, but it was too variable between different masks and probably was more hassle than it was worth. Any mist floating of during the funnel measurement would also increase the calculated % hitting the mask - so very much the best case scenario!

@user-gu9yq5sj7c 25 дней назад

I also wondered if paper absorbs the spray more than skin.

@LabMuffinBeautyScience 11 дней назад

Absorption isn't relevant for this measurement, because we're only looking at mass - the mass of sunscreen landing on the "face" will be the same whether it stays sitting on the surface or absorbs, because of the law of conservation of mass (unless the absorption is so bad that the spray drips off the skin and you lose mass that way). The paper is only used to see where the spray landed, so it's just important to ensure that the mass retained would be the same for the paper funnels and the paper masks.

@J_Mock92 25 дней назад

I think we can all agree that sprays suck, but are still better than _nothing_ I guess... I used to HATE when my Mom would rub sunscreen lotion on me as a kid (not everyday, but anytime we were at the pool or played outside for a while). My brother didn't like it either, but I think he mostly complained about having to reapply more often to prevent burning (he got her super fair skin and would burn up real quick without it, while I tanned easily like our Dad). I'm glad she forced us to suffer through at all though, because I don't think I ever burned as a kid, and my brother very rarely did. I can't handle most sunscreen sprays. I have a couple of aerosol ones, and a couple of pump mist bottles meant for the face, but I don't actually enjoy using them lol. I can't use the aerosol ones without feeling like I can't breathe (even just on my body), unless I'm outside or something, and can't use the face mists without wearing tanning goggles to prevent them from getting too close to my eyes (I don't use tanning beds, but used them for the Red Light Therapy and Spray Tanning Booths at my gym). That's actually a good tip btw.... If you _do_ still choose to use a spray sunscreen for _whatever_ reason, then putting tanning goggles on before spraying will help keep it out of your eyes with minimal disruption to your makeup. It's just annoying as hell, like sprays in general 🤷

@jameslozano6913 25 дней назад

I love seeing the thought process behind the experiment design

@670Kai 25 дней назад

This is honestly the best channel ever. Also, that sarcastic Daria-like humor, love it.

@brownsugarissupreme 4 дня назад

I admire how she also showed the mess in science that is conducting experiments. This is also really thorough and I like how you also included experiments conducted by other researchers too

@mnilbydntkt 23 дня назад

When it comes to discussions about makeup and sunscreen reapplication, our priorities are misplaced. Instead of focusing on finding sunscreens that work with makeup, we should be asking, "How do you reapply makeup over sunscreen?" Choose makeup that's compatible with sun protection, not the other way around. Just like I adjust my hairstyle to fit my sunhat, we need to adapt our routines for proper sun protection. EDIT: To clarify, I do wear both sunscreen and makeup. I've found the best approach is lightweight, cream/liquid formulas applied with clean hands. I wear Hamilton Everyday Face SPF 50+ sunscreen on most days. My sunscreen-friendly makeup routine is Glossier cloud paint for cheeks and eyelids, NYX Jumbo highlighter stick, long-wearing lip liner with QV Face Lip Balm SPF 30+ (reapplied). I also carry cotton swabs for touch-ups on mascara or eyeliner 🩷

@FreshFlamingo 19 дней назад

Right, that’s because the answer is “you can’t” unless your goal is 7 layers of makeup sandwiched between 7 layers of cream sunscreen you reapply every few hours over the makeup. Literally 0 people are doing this. So, a better way still needs to be found.

@mothturtle7897 17 дней назад

The long lasting sun screens (~10 hours) might be the answer but I don't know how effective they actually are @FreshFlamingo

@mnilbydntkt 4 дня назад

@@FreshFlamingoWell yes, I have reapplied sunscreen and makeup all day. It's doable with lightweight, cream/liquid makeup applied with clean hands. You can't maintain full glam makeup with proper sunscreen reapplication-but even full glam needs touch-ups on hot or humid days. A sheer liquid blush, lip color, and mascara are manageable even with heavy sunscreen reapplication. Touch up as needed, like you would with lip products. Or buy a UPF50+ Balaclava or sun hat that comes with a face cover from Solbari 🤷‍♀️

@mnilbydntkt 3 дня назад

@@mothturtle7897 Michelle did a video + blog post on a 6-hour sunscreen! Blog post is called "DO THEY WORK? EVY 6-HOUR SUNSCREEN, DERMABLEND DROPS IN SPF"-definitely check it out if you haven't already !

@lilncheese588 25 дней назад

Just wanna say I absolutely love your book, I recommend it to everyone that asks me about skincare. Thank you for putting so much effort and dedication into educating us. ❤

@LabMuffinBeautyScience 25 дней назад

Thank you! That's really lovely to hear 😊

@ajak281 19 дней назад

I always spray it into my hand then rub it in!! My thing about lotion sunscreen is the dragging/tough texture, so I don't mind rubbing the spray stuff in because it's much easier and I feel like I can control where it is going the most! I just hope it gets the full spf on the bottle!!

@andreea-mgh 4 дня назад

Same here, I used spray mostly because of the liquid texture. For most of the video I was thinking "who tf applies spf like this? aren't you supposed to spray it on your hands and slap it on you??"

@nerdycurls6253 4 дня назад

@@andreea-mgh yes you're correct 😂 mine very clearly says not to spray directly on your face like her husband did.

@aharrypotterfan5951 4 дня назад

@@andreea-mghif you look at 16:07 you can see these are mainly meant to go over makeup, so rubbing it in with your hands would mess up the makeup just as much as regular sunscreen

@sweetcarolineq 25 дней назад

The results are shocking! I’m now reapplying by gently patting my liquid sunscreen and wearing less foundation or skipping it altogether especially when I know I’ll be outside and need to reapply. Can you also test the efficacy of sun cushions??

@rosehipowl 25 дней назад

I recently saw a hair and scalp sunscreen spray that I was intrigued by, especially as a very pale lady terrified of burning. I wasn't going to buy it for a multitude of reasons (too expensive, don't wash my hair everyday, would probably need help getting my entire scalp covered), but this has definitely added another one to that list! I will just continue to not go outside 🤙

@sapphireblue4031 23 дня назад

or get a hat ^^

@Poemi10304 23 дня назад

Get clothing with UPF 50!

@swish043 6 дней назад

Long flowy linen clothing, sun gloves, and a hat! It also feels cooler than having your skin in the sun. Just no artificial fibres.

@AlwaysAmTired 23 дня назад

I wonder about rash guards. Like, they advertise specific spf but what does that mean? Will it stop working after some amount of time in the sun? Does the protection wear out over time with laundering them? I'd love to see a video on protective clothing.

@ThePiggiestOne 25 дней назад

I just went sunscreen shopping up to about 2 hours ago and I remember seeing the sunscreen sprays and thinking "what would Michelle think about these?" I remember you saying if you use the spray, you must still rub in it. I checked the ingredients (Malibu SPF50+ for example) and I saw a high concentration of Denatured Alcohol. While I have no problem with some alcohol in my products, alcohol being the first listed ingredient is not negligible. Thanks for all the information, Michelle. You're really helping me sound smart outside.

@lecocoabean1432 25 дней назад

Love the tenacity and science! I bought your book science of beauty the day it came out; it sits in my salon blowing the minds of people who are waiting!

@minacayy 25 дней назад

I appreciate your and your assistants efforts to educate us

@richm1981 20 дней назад

Interesting results, I discovered aerosol a year ago and still think it’s the best thing since sliced bread!!! Yes it’s expensive & the can doesn’t last long, but the spf50+ 4 hours water resistant, works just as well , gets into places my fingers would miss, Keeps my hands clean, and is fast, I’ve gotten burnt less since I started using it

@amy3620 24 дня назад

10/10 obsessive in-depth content :D I bought your book as soon as the video finished. Plus, I just love a scientist who gets distracted counting, its very relatable.

@ace.of.space. 25 дней назад

huge respect for all your sacrifices

@DiverBen116 24 дня назад

I just got your book as a birthday present from my partner and I am overjoyed 🎉🎉 you just nail making complex topics so easy to access and enjoyable to read ❤❤ I feel like I learn something every video I watch and keep coming back to understand more and more the science behind sunscreeen and skincare

@WinterAutumn559 25 дней назад

Much respect for your dedication to this experiment.

@franciscolodix1214 25 дней назад

I bought your book hehe. One question, that maybe was answered in the video, but don't have the time now. But why wait 24h for the product to dry for sprays? They don't have the same problem as Aerosols that a big percentage of the product is propellant, and when they are tested the propellant is taken out. So the formula is tested as a whole, without drying out anything. That means that the non-volatile part of the Spray could have double or more the concentration of "spf" compared to the mix of them . Normal lotion would also lose weight after drying up, probably even more than half the weight in some cases.

@marln2157 25 дней назад

the way you mentioned your book (which I already have and am currently enjoying btw)! :D your humor is just the best.

@3451namine3451 3 дня назад

I didnt expect the results to be good, but never this bad. Its scary how bad the results are, especially since its so much marketing saying this is a good way to apply or reapply sunscreen

@emptiheadspace 25 дней назад

GIIIIIRL I want more of these tests I loooooooved this!

@farahdibasonda6708 25 дней назад

Another insanely genius video. Michelle! The skin care community would be so incomplete without you!

@sal_alaa 25 дней назад

The effort you have put in is astounding

@LauraLVTGW 25 дней назад

I am so impressed with your tenacity!!! I appreciate all your hard work, your honesty and your personality. Many blessings!!!💖💖💖

@gnparticle 23 дня назад

Your dedication to science(and this channel) is mind boggling. Thank you Michelle!!!!

@chouliha1 25 дней назад

This heathen appreciates the analysis 😊Science is key!! I use a mixture of things and have some body sprays. This helps me make better decisions moving forward

@RK99KR 22 дня назад

She's so iconic. Debunking myth and educating people left and right. ❤

@zmiye 24 дня назад

Your book has just arrived and it looks so amazing! Thank you for it😊

@christyredelman 13 дней назад

I love that you said you lose count all the time. I relate so hard.

@sonaku1 24 дня назад

Thank you for doing this!! We see your effort to get the most precise results!

@daphne8406 25 дней назад

The tests really made me giggle, your lovely assistant sure is a good sport 😂

@veroniquedusabe513 25 дней назад

Thank you for all the info shared on your channel!

@annemienuyts 25 дней назад

Was literally just about to order a spray sunscreen today... glad I saw this in my sub feed!

@deannyc 25 дней назад

I just got your book in the mail :) thank you for your work!

@Rosemallow 20 дней назад

I just came here to say, I bought your book, I have audio version and I hope to get the print version too! I became a facialist because of you I love skincare science it’s a fun hands on hobby for me (I’m in the social sciences) 😊 I’m so excited at your growth and to see you enjoying what you do. Congratulations

@GirlAcrossTheWorld 25 дней назад

As someone extremely fair, I have been experimenting using sprays as an EXTRA on TOP of my cream/lotion formulas, to "set" them and add extra protection. I've noticed less irritation and pinkness since starting to do this. I hope this is acceptable! It seems to ve working for me so far. I'm fair enough that i can get pink wearing SPF 50 after an hour of minimal activity, luke taking my dog to the park.

@YT-ly5px 25 дней назад

I just got a spray sunscreen and I was looking on your channel because I was wondering if you did any experiments, and lo and behold a few days later you upload this! Thank you so much for your rigorous experiments answering important questions for us

@Orchidaceous1 25 дней назад

Your dedication is amazing! I love the thoroughness. 👏

@tyrennosaur 25 дней назад

Thank you for suffering for us and making this brilliant video! I just ordered your new book, can't wait to read it :)

@alexalittle 18 дней назад

Your commitment to public science is awesome! Thank you so much for taking all that time and effort to answer a really important question that affects a lot of us! ✨

@ThankYouVeryBlush 22 дня назад

Michelle for the win once again ❤ I’m glad I waited for a video like this before buying a sunscreen spray, thank you!!

@klosettchen 25 дней назад

Love your work and am always happy when I see a notification! Thank you :)

@TheMayra1393 25 дней назад

This is fantastic! I bought one a few weeks ago and I tried to use it on a windy day at the beach. Immediately I realized it was a terrible idea and changed to a normal one. Thanks for the science ❤

@EmyN 23 дня назад

The queen has graced us again with more sunscreen experiments!! 🤩🤩

@katarh 21 день назад

The instructions on one of my body sunscreens were actually NOT to spray it directly on your face, but to spray it on your hand and then rub it on your face! That method might get more product directly on the face and lose less to the ether. (But to spray it on your body in the methods described in this video.)

@Jasapan-u4s 22 дня назад

I love this gal. So helpful. And incidentally, I love the way my ears hear the way Australian’s say “SO”. I hear, “Ser”

@ash_wts 25 дней назад

I'm loving the edit on this video 😂❤

@TheJuneYaj 25 дней назад

I absolutely love your channel and the information you put out. I’ve learned so much! Thank you!

@maureenigreen 25 дней назад

you are so thorough!!! thank you so much for putting yourself through this for science!!!

@TheCherieExperience 25 дней назад

the book is great btw!!

@mickalawonick7725 23 дня назад

I appreciate the conversion as a heathen

@db-gb5xi 25 дней назад

Thanks for the deep dive and effort and for thinking about us heathens.

@KAlSA 25 дней назад

Thank you Michelle! ❤ I love you and your super videos 🎉

@Tathy_Pikachu 24 дня назад

Shocking results! Btw, I’ve got your book and it’s been amazing reading it! 📚😊

@gthktty666 24 дня назад

brb building a helga pataki style shrine in my cupboard dedicated to your big beautiful brain. i love this video so much. you're incredible!

@kookyzebra6550 23 дня назад

I love how accessible you make science ❤

@Sleipnirseight 11 дней назад

Boost! I appreciate all the work and education you do!

@bear3279 25 дней назад

before i watch i just wanna say i always run to your sunscreen videos theyre so informative and thorough 🩷

@ElzaraIsmE 25 дней назад

Looooved this video! So much work went into it! I'm impressed and thankful for your dedication to science. It sounds so bad that I don't see a point in buying sunscreen sprays in the first place. Just gentle reapplication works great. Yes, it might slightly mess up my makeup, but I'm not on a photoshoot every day, and I can always wear long-wearing makeup underneath.

@moahavande 25 дней назад

Your videos never disappoint! Thank you!!!

@julieo5993 24 дня назад

I spray onto my palm (close range so it doesn’t go everywhere) and apply all over. Kind of goes against the point of spray but I prefer the feel of spray sunscreen over lotions. I hate feeling sticky and sweaty with sun creams.

@carolannf 24 дня назад

This was fascinating Michelle! I think you may have to start listing your makeup products too because your lipstick is always so beautifully glossy 💋🇦🇺