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3-O-Ethyl Ascorbic Acid

3-O-ETHYL ASCORBIC ACID

Data confidence:High

Function

Antioxidant (Vitamin C)

EWG Safety Score

2/10Low concern

About this ingredient

3-O-Ethyl Ascorbic Acid is a stabilized derivative of ascorbic acid (Vitamin C) that offers improved stability and penetration compared to native ascorbic acid in skincare formulations. It functions as an antioxidant and skin brightening agent, helping to reduce the appearance of dark spots, uneven skin tone, and fine lines while supporting collagen synthesis and providing photoprotective benefits.

Found in 2+ sunscreens