How can I dilute 70% glycolic acid to 35% since i am a first time user. And also time to keep it on my skin?
I have got 70% glycolic acid and am a first time user. Wants to know how can I dilute it to 35 or 30%?
I have got 70% glycolic acid and am a first time user. Wants to know how can I dilute it to 35 or 30%?