Hydroxyhydrocinnamate is a phenolic antioxidant compound used in cosmetics and personal care formulations. It's included to stabilize products against oxidation and extend shelf life, with supporting evidence considered moderate rather than strong.
An antioxidant that helps keep formulas fresh and stable over time.
Category
Antioxidant, Preservative
Type
Antioxidant
Ingredient Ratings
Overall Rating
Fair
Comedogenic Risk
None
Skin Benefits
Slows formula degradation from air and light and may offer mild antioxidant support for skin; overall evidence is moderate.
Uses In Skincare & Cosmetics
Added to serums, sunscreens, and creams as a co-antioxidant or preservative to maintain product freshness.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally considered safe at typical cosmetic levels, with a low but possible risk of transient irritation in reactive skin. No widely recognized specific regulatory restrictions noted.
Is Hydroxyhydrocinnamate a Good Ingredient?
Rated Fair because it slows oxidative degradation in the formula, but the human skin benefits appear modest and the evidence is limited. Sensitive users may experience mild irritation or sensitization, and effectiveness varies by formula and dose, none of which pushes it past a middling rating.