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  Vitamin C serum

  Posted by aiva on April 20, 2024 at 9:33 am

  Hello! What vitamin C form would you suggest to use in the aqueous formula, as to have stable product ? Sodium ascorbyl phosphate became brownish in about 2 years.

  fareloz replied 7 months ago 3 Members · 4 Replies
• 4 Replies

• 

  fareloz

  Member

  April 20, 2024 at 3:27 pm

  Ethylated ascorbic acid is known as the most stable water-soluble derivative.

• 

  Graillotion

  Member

  April 20, 2024 at 6:03 pm

  THD is mentioned twice….in this video:

  94 - Ask the Formulator - Valerie George, Marissa Plecia on Vimeo

  • 

    fareloz

    Member

    April 21, 2024 at 9:14 am

    THD is oil soluble while OP asked for a derivative for aqueous formula

• 

  aiva

  Member

  April 21, 2024 at 1:41 am

  Thank You !

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