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Stop Following Recipes, Start Formulating: Your Guide to Professional Natural Skincare
- C (Ascorbic Acid): Stable at pH 3.0. Turns brown and dies in water. Use oil-soluble Tetrahexyldecyl Ascorbate instead.
- E (Tocopherol): An antioxidant for your oils, not a preservative for water.
- B3 (Niacinamide): Very stable. Water soluble. Brightens at 4%.
Disclaimer: Always test your formulations and consult with a professional chemist before selling cosmetic products. DIY formulations should be used with caution. A-z Of Natural Cosmetic Formulation Pdf Free Download
If you're unable to find a free PDF download, you can consider purchasing the book from online retailers or checking out your local library. Some popular online retailers include: Stop Following Recipes, Start Formulating: Your Guide to