If there's something that works against my pigment spot it's exfoliation with glycolic acid. On the right side of my forehead at my hairline I suffer from hyperpigmentation. I've a lot of pigment in my skin and become tanned very quickly, one spot on my forehead has thereby the tendency to flare as soon as I sit in the sun. Every day, summer and winter, I use spf on my face but I notice that this isn't enough.Where I do benefit from and is making my pigment spot barely visible is exfoliation with glycolic acid. I always used these kind ...