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Ingredient guide
tetrahydrocurcumin
In short
Tetrahydrocurcumin is a colourless, stable derivative of curcumin with notable antioxidant and brightening properties. It helps calm redness and supports a more even tone.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Tone · Redness · Barrier
Best used
Morning
What it is
Principal reduced metabolite of curcumin formed by hydrogenation of the double bonds; white powder with no yellow pigmentation, unlike parent curcumin; potent antioxidant (4× DPPH radical scavenging vs curcumin); inhibits tyrosinase and DOPA oxidase more effectively than kojic acid in some in vitro assays; anti-inflammatory via NF-κB suppression; superior photostability for AM use; emerging brightening ingredient in premium serum and moisturiser formulations.
Also found as
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Common questions
It helps brighten the look of dark spots, reduces the appearance of redness, and offers strong antioxidant support.
It’s generally suitable for most skin types, including those seeking gentle brightening and calming benefits.
You’ll find it in serums, creams, and sunscreens designed for tone and redness support.
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Personal guidance only · For clinical concerns, see a dermatologist.