Home Cosmetic Science Talk Formulating Advanced Questions How deep do AHAs exfoliate

Tagged: , ,

  • How deep do AHAs exfoliate

    Posted by abdullah on December 28, 2021 at 1:36 am

    If we use 10% lactic acid daily as leave on or 30% lactic acid twice a week for 10 minutes, both at pH 3, how deep will it exfoliant the skin? 

    I mean does it only exfoliate part of stratum corneum or it can completely exfoliate it or even deeper layers? 

    abdullah replied 2 years, 3 months ago 2 Members · 2 Replies
  • 2 Replies
  • gordof

    January 5, 2022 at 2:17 pm

    hi, I am not a dermatologist but as far as I know, 5 % is safe for Deeper layers of the skin at 10-15 % you will get into the deeper layers of the skin. 

    it not necessarily has a bad effect but it has an effect on deeper layers. especially for a leaf on. 

    I would guess that 30 % for 10 min does send feel very nice on the skin. not sure if that is beneficial for Skin Thickness and even skin tone.

    I would recommend asking your supplier of the Raw material he can probably tell you about maximum concentrations for leave-on and Rinsof without harming the skin.  


  • abdullah

    January 6, 2022 at 3:32 am

    @Gordof thanks 

    I have some information about formulating AHA. I just wanted to know if it will remove stratum corneum completely at any percentage or just different percentages of stratum corneum at 5-30%?

Log in to reply.