Home Cosmetic Science Talk Formulating Advanced Questions 15% Azelaic serum

  • Jaycetowww

    Member
    August 3, 2022 at 4:43 pm

    @Paprik @Perry

  • Pharma

    Member
    August 3, 2022 at 7:50 pm
    Did you try to make/use it?
    There’s a good discussion about said topic here somewhere. Keep in mind that you can’t dissolve 15% azelaic acid without turning it into an effectless salt.
  • Jaycetowww

    Member
    August 3, 2022 at 8:02 pm

    @Pharma i am trying to make it , and concerning the azelaic acid , I am going to dissolve it with the propylene glycol 

  • Bill_Toge

    Member
    August 3, 2022 at 10:44 pm

    azelaic acid is not very soluble in anything - your best bet is to make the product an O/W emulsion with a very polar oil (e.g. a salicylate ester) as the oil phase

  • Jaycetowww

    Member
    August 5, 2022 at 7:52 am

    Bill_Toge said:

    azelaic acid is not very soluble in anything - your best bet is to make the product an O/W emulsion with a very polar oil (e.g. a salicylate ester) as the oil phase 

    I can dissolve it with my propylene glycol

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