Home Cosmetic Science Talk Formulating Skin VITAMIN C SERUM COLOR CHANGE

  • VITAMIN C SERUM COLOR CHANGE

    Posted by Lawrencia21 on September 2, 2022 at 12:31 am

    Hi there, thanks for clicking this.
    A Vitamin c serum I formulate chages colour from clear to dark yellow within 2 months.

    Formula 
    Aqua 92.5%
    3% Ascorbic Acid
    1% Niacinamide
    1% Germall plus preservative 
    2% Glycerin
    0.5 xanthan gum. 

    Any help please 🙏 

    Lawrencia21 replied 1 year, 8 months ago 6 Members · 7 Replies
  • 7 Replies

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