Home Cosmetic Science Talk Formulating Color stabilization in Shower gel

  • Color stabilization in Shower gel

    Posted by fotis83 on March 9, 2023 at 4:52 am

    Hello, I have a question? I make shower gel with 16% active surfactants which are SLES 12%, Cocamidopropyl betaine 1%, Disodium Cocoamphodiacetate 3%. My question is because of Disodium Cocoamphodiacetate it has a transparent texture but it is not crystalline, it has a slightly yellow tint, how can we stabilize it and make it colorless transparent? would a few drops of Violet #2 help? I have the violet 2 in powder form, should I dissolve it with a little water and pour drop by drop?

    ketchito replied 1 year, 1 month ago 2 Members · 1 Reply
  • 1 Reply
  • ketchito

    March 9, 2023 at 7:51 am

    If you want to change the hue, you can of course add some dye…but you’ll still have some color, just different.

    Now, thinking out of the box (and out of any legal framework, hehe), you could try removing the color from your ingredient:

    - by oxidizing it with for instance, a drop of sodium hypochlorite, considering that once you add it to the final formula, it’ll be diluted

    - by exposing the ingredient to UV or sunlight (best if you can check with an IR that the nothing weird was formed)

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