I have the same kvd mini powder container. You could empty out the powder you don't like and refill it with what you do. The inside component/strainer thing comes out and pops back in really easy
In march I plan to purge the same way like you. I’m just so bad letting go of my collection but I’m going to use feb as my last attempt to use up things before I do a crazy declutter
I'm so glad to hear somebody else had this problem with the Essence Pretty Natural foundation. I have it in 3 colors. I have the lightest shade 010 and it does exactly what you were describing. However, the two darker colors I have (050 &070) are absolutely beautiful