Ingredient glossary
Tetrahydrocurcumin
INCI: Tetrahydrocurcumin · Also: THC, SabiWhite
A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- brightening
- antioxidant
- anti inflammatory
moderate evidenceA randomized double blind trial showed zero point twenty five percent tetrahydrocurcumin cream significantly reduced Mexameter melanin readings with no adverse reactions while four percent hydroquinone produced more irritation despite its stronger effect.
On a label: usually effective at 0.25%.
Who it's for, and who should skip it
Tends to suit
- pigmentation
- melasma
- photoaged
Approach with care
- very sensitive
- compromised barrier
- Clogs poresLow
- Irritation riskLow
Pregnancy: Check with your doctor before using during pregnancy or breastfeeding.
Plays well with
- sunscreens
- niacinamide
- vitamin c
This, for every label you own
One ingredient is easy. A full label is where it gets confusing. The Ingredient Decoder reads any product and tells you the honest truth, ingredient by ingredient.
Educational information about a cosmetic ingredient, not medical advice.