Home Cosmetic Science Talk Formulating glycolic acid

  • glycolic acid

    Posted by tinas on August 29, 2019 at 3:21 pm

    I want to formulate a peeling gel - glycolic acid is very acidic. Will the gel be not so effective if I put some basic in it - to raise pH to aprox. 5,5-6?

    tinas replied 4 years, 7 months ago 2 Members · 2 Replies
  • 2 Replies
  • ngarayeva001

    Member
    August 29, 2019 at 4:49 pm

    pka of the glycolic acid is 3.87. I you increase pH higher than this value it won’t be very effective.

  • tinas

    Member
    August 31, 2019 at 9:33 am

    ok, thank you!

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