Hydroxyresveratrol

INCI: HYDROXYRESVERATROL

CAS Number
Probable: 29700-22-9 (oxyresveratrol); verify with supplier — not to be confused with resveratrol (CAS 501-36-0) [^1_11]
Function
Antioxidant, skin lightening/tyrosinase inhibitor
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no CFR prohibition

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Structural analog of resveratrol with skin/eye irritation potential and tyrosinase inhibition activity; skin-lightening claims may trigger regulatory scrutiny in certain markets (e.g., Japan quasi-drug requirements); stilbenes exhibit UV sensitivity and oxidation proneness requiring stability assessment; supplier toxicology dossier essential.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Hydroxyresveratrol safe in cosmetics?

Structural analog of resveratrol with skin/eye irritation potential and tyrosinase inhibition activity; skin-lightening claims may trigger regulatory scrutiny in certain markets (e.g., Japan quasi-drug requirements); stilbenes exhibit UV sensitivity and oxidation proneness requiring stability assessment; supplier toxicology dossier essential. The EU classifies Hydroxyresveratrol as "permitted". Safety rating: MODERATE.

Is Hydroxyresveratrol allowed in the EU?

Hydroxyresveratrol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxyresveratrol do in cosmetics?

Hydroxyresveratrol functions as: Antioxidant, skin lightening/tyrosinase inhibitor. It is classified as a cosmetic ingredient in our database. CAS number: Probable: 29700-22-9 (oxyresveratrol); verify with supplier — not to be confused with resveratrol (CAS 501-36-0) [^1_11].

What is the Margin of Safety for Hydroxyresveratrol?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

📱

Is Hydroxyresveratrol in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Hydroxyresveratrol in your formulation.