It is usually said that glycolic acid is not good for skin of color people and it can even worsen the pigmentation, how long did u use glyco 12 and did the pigmentation get worse ? Any update on the same?
It will have a stinging effect for 1-2 seconds if yu apply it on shaved skin then it will go away.. am using glyco 6 prescribed by my dermatologist.. don't know about glyco 12..