Ingredient guide
Tetrahydrocurcumin
INCI name · 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.
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.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
When to use it
Mornings suit it best.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Tetrahydrocurcumin
- Moisturise
- SPF
Also found as
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Check an ingredient listCommon questions
What does Tetrahydrocurcumin do for skin?
It helps brighten the look of dark spots, reduces the appearance of redness, and offers strong antioxidant support.
Which skin types can use Tetrahydrocurcumin?
It’s generally suitable for most skin types, including those seeking gentle brightening and calming benefits.
How is Tetrahydrocurcumin used?
You’ll find it in serums, creams, and sunscreens designed for tone and redness support.
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Personal guidance, not medical advice.