The disadvantage of pure Vitamin C is that it is super unstable, and hard to formulate with. This formula uses a low pH and extra antioxidants to help to stabilize Vitamin C, but even like this, C-Glow comes only with a couple of months shelf-life.
To ensure maximum freshness, we create C-Glow in small batches once a week. We recommend to store it in the fridge, where it keeps fresh at least for 3 months (if unopened it keeps for a couple of month more), while it keeps about 6 weeks at room temperature.
Who is it for?
How to use it?
Apply a few drops to the face after cleansing, before using other serums and/or creams. Ideal to use in the AM but can be applied PM as well. As the C-Glow formula is water-like, we recommend that you put a drop directly onto your face and quickly pat it on with your other hand.
Ingredients & Research
Vitamin C (ascorbic acid – 15%) – A clinically proven active that gives the skin environmental protection (antioxidant), boosts collagen production and fades hyperpigmentation. Also gives an instant glow to the skin.
Ferulic acid + Vitamin E – Antioxidants that help to stabilize Vitamin C and increase its antioxidant power. The formula contains high amount of Ferulic Acid, but only a small amount of Vitamin E due to both formulary as well as legal reasons.
Ethoxydiglycol: An important solvent that aids the proper penetration of Vitamin C + solubilizes the high amount of Ferulic Acid into the formula.
full inci list:
Water, Ascorbic Acid, Ethoxydiglycol, Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin, Ferulic Acid, Tocopherol, Phenoxyethanol, Ethylhexylglycerin, Sodium Hydroxide
Journal of Cosmetic Dermatology, Volume 11 (4) – Dec 1, 2012, Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivatives
The Journal of investigative dermatology., 2005 Oct;125(4):826-32., Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin.
Exp Dermatol. 2003 Jun;12(3):237-44.,Topical ascorbic acid on photoaged skin.