Tetrahexyldecyl Ascorbate Key Facts
Rating: Good.
(Best / Excellent / Good / Average / Not Recommended)
Origin: Synthetic.
(Natural / Synthetic)
Vegan: can be vegan or non-vegan.
(Yes / No)
Functions: antioxidant, anti-ageing, collagen booster, skin brightening agent.
Suitability: all skin types.
What is Tetrahexyldecyl Ascorbate?
Tetrahexyldecyl ascorbate is a lipid-soluble vitamin C derivative. Unlike the water-soluble pure vitamin C (ascorbic acid) which degrades rapidly upon contact with water, the oil-soluble tetrahexyldecyl ascorbate provides more stability and longer product shelf life. However, like with all vitamin C derivates, it is less potent than ascorbic acid.
The Skin Benefits of Tetrahexyldecyl Ascorbate
A study published in the Journal of the American Academy of Dermatology showed that at a 30% concentration, it brightens skin tone and improves skin firmness.
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Author:
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Scientific Sources: (1) Double-blind, half-face study comparing topical vitamin C and vehicle for rejuvenation of photodamage, Dermatologic Surgery, 2002 Mar, 28(3): 231-6. (2) Tetrahexyldecyl Ascorbate (THDC) Degrades Rapidly under Oxidative Stress but Can Be Stabilized by Acetyl Zingerone to Enhance Collagen Production and Antioxidant Effects, International Journal of Molecular Science, 2021 Aug; 22(16): 8756. (3) Efficacy and tolerability of a novel antioxidant formulation containing 30 (w/w) % of tetrahexyldecyl ascorbate, a lipid-soluble form of vitamin C, Journal of the American Academy of Dermatology, Volume 81, Issue 4, Supplement 1, AB200, October 2019.