Home Cosmetic Science Talk Formulating Hair color developer/ hair color oxidant

  • Hair color developer/ hair color oxidant

    Posted by Nikifarokhi on March 17, 2025 at 1:43 pm

    Hi

    I am formulating a hair color developer 6℅ with hydrogen peroxide 50℅. I have some questions about it and would be happy if so. guides me:

    1- how to make a buffer system with H3PO4 to keep pH between 2-3. (All info on the net is about how to make a buffer in water with no other ingredients). And is it important to use buffering agents in this system?

    2- How to measure the stability of the H2O2 in the developer cream. Is not it dangerous to put in it an oven in 45’c for 2 months?

    3-How to determine the shelf life of the product?

    Nikifarokhi replied 4 hours, 57 minutes ago 1 Member · 0 Replies
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