Antioxidant
TETRAHYDRODIFERULOYLMETHANE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A colorless form of curcumin (from turmeric) used as an antioxidant and brightener. Well tolerated with no GHS hazard classification reported by suppliers.
Function
Skin benefits
- Strong antioxidant from curcumin
- More stable and colorless versus parent curcumin
- Brightening and anti-inflammatory effects
Known concerns
- Limited long-term cosmetic safety data
- Potential allergen in trace turmeric residues
- Costly so often used at very low levels
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.