pH ~ 3.5-4

Benefits:

  • Powerful Antioxidant
  • Skin brightening and lightening
  • Wrinkle reduction
  • Skin regeneration
  • Plumper Skin

Key Ingredients *:

15% Vit. C (L-Ascorbic Acid - ultra fine particles)

1% Ferulic Acid 

1% Vit. E (Tocopherol)

0.5% Salicylic Acid

 

Directions for use:

Apply 4-5 drops of 15C Serum to a dry face, neck and chest after cleansing.
Use Propaira sunscreen before sun exposure.

Ingredients:

Water, Ethoxy Diglycol, Ascorbic Acid, Pentylene Glycol, Polysorbate 20, Triethanolamine, PEG-40 Hydrogenated Castor Oil, Ferulic Acid, Tocopherol, Salicylic Acid, Xanthan Gum, Phenoxyethanol, Allantoin, Benzoic Acid, Dehydroacetic Acid

 

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Reference

* Lin et al. Ferulic Acid Stabilizes a Solution of Vitamins C and E and Doubles its Photoprotection of Skin. THE JOURNAL OF INVESTIGATIVE DERMATOLOGY. DOI: 10.1111/j.0022-202X.2005.23768.x