I think you have to put it on the roots so it will change the new growth it will not have any affect on the area that you are applying it be that is not were the strands grow from.
This is on their website. It explains the application process. 👍🏽 www.morganspomade.co.uk/morgans-hair-darkening/ How to Use With Morgan’s Hair Darkening Range, you are in control of how much grey you want to lose. It works by gradually restoring a natural looking colour so you can leave a little grey by stopping application at any time. Alternatively, you can decide which areas you want to darken, or you can keep applying to the whole hair until all the grey is gone. The choice is yours. 1. Wash hair and towel dry (avoid washing too often). 2. Apply evenly throughout the hair. 3. Continue process daily. 4. Sunlight in hot countries or hairdryer can accelerate the process. 5. Reduce frequency once desired colour is achieved.
