Tetrahydrodiferuloylmethane
Antioxidant; Skin Conditioning
No major topical toxicity concern has been identified at cosmetic-use levels. Ingredient-specific long-term dermal data are more limited than for older cosmetic ingredients, so evidence remains moderate.
Why Oh Daisey rates it this way
No major topical toxicity concern has been identified at cosmetic-use levels. Ingredient-specific long-term dermal data are more limited than for older cosmetic ingredients, so evidence remains moderate.
What it does
A hydrogenated curcumin derivative used for antioxidant and skin-conditioning applications.
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.
Sources
- 1 https://pubchem.ncbi.nlm.nih.gov/compound/Tetrahydrocurcumin https://www.cir-safety.org/
Found in Approved Products
This ingredient appears in 2 Oh Daisey Approved Products.