Ingredient
THD Ascorbate
Oil-soluble vitamin C derivatives remain popular in luxury formulas because of stability and elegant texture.
Category: Vitamin C Derivative
Chemical formula: C70H128O10
Main cosmetic effects: Brightening; antioxidant skin-conditioning.
Source: Synthetic tetrahexyldecyl ester of ascorbic acid.
Developer / supplier: Specialty cosmetic ingredient suppliers; widely used in prestige skincare
Origin: Japan / Global
Representative product: Sunday Riley C.E.O. Vitamin C Serum
Approx. retail price (USD): 85
Evidence maturity: Moderate evidence
What it does
Brightening; antioxidant skin-conditioning.
Notes
Vitamin C Derivative | Moderate evidence