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:
Henry Tianus is a multi-award-winning Anti-Ageing Specialist with 3 decades experience in skincare research and product development. Henry Tianus's articles have been read by people in more than 100 countries with USA and UK at the top of the list.
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.