Tetrahydrocurcumin is a colorless, hydrogenated derivative of curcumin used in skincare for its antioxidant and skin-tone-brightening properties. It helps neutralize free radicals and may inhibit melanin production, contributing to a more even complexion.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Rare | Occasionally reported, typically at higher concentrations or in sensitive skin. |
| Allergic contact dermatitis | Very rare | Isolated sensitivity reactions; less staining/irritating than parent curcumin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.