Home Cosmetic Science Talk Formulating Vit E cream discoloration issue

  • Vit E cream discoloration issue

    Posted by addayusof on May 12, 2024 at 11:26 pm

    Hi all. Need help on Vit E discolorations issue. I have one formulation with higher percentage of Vit E, for 3,000IU in total. However, turn to yellow in actual product. Stability not become as yellow as in market product.

    I suspcet, UV exposure. Any idea to improve further?

    addayusof replied 5 days, 16 hours ago 4 Members · 5 Replies
  • 5 Replies
  • ketchito

    Member
    May 13, 2024 at 6:37 am

    What other ingredients do you have? If you don’t mind using something like Tinogard TL, it might help stabilize your vit e towards UV.

    • addayusof

      Member
      May 13, 2024 at 9:38 pm

      I have 5% sunflower oil in formulation. However, during troubleshoot by removing sunflower oil also bulk turn to be yellow. I have BHT and Ethyhexyl Methoxycinnamate inside. Will try add in Tonogard TL later to see

  • PhilGeis

    Member
    May 13, 2024 at 8:37 am

    what is your package?

  • reynard

    Member
    May 13, 2024 at 9:17 pm

    Not only UV light but also visible light can have an effect. Therefore, I think it is necessary to shade the product.
    And is there anything that uses antioxidants? Since Vitamin E is itself an antioxidant, I am curious as to whether antioxidants such as BHT or BHA were used to use it as the main ingredient.

    • This reply was modified 5 days, 17 hours ago by  reynard.
    • addayusof

      Member
      May 13, 2024 at 9:51 pm

      i have 0.10% BHT and 2% Ethylhexyl Methoxycinnamate to protect the product itself. But, i think these two not really working.

      Is there any possibility that oxygen penetration during the process accelerate the yellowish?

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