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Ingredient guide
dihydroxyindole
In short
Dihydroxyindole (DHI) is a melanin precursor used in some gradual self‑tanning formulas. It oxidises on the skin to create a natural‑looking, surface‑level tan tone.
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Works for
Tone
Best used
Anytime
What it is
Melanin biosynthesis intermediate used in progressive self-tanning formulations; oxidises to eumelanin polymer on skin surface.
Also found as
Related
Common questions
It helps develop a subtle tan-like colour by forming eumelanin on the skin’s surface.
It requires careful formulation because it is a reactive pigment precursor, so it’s only used in specific, regulated self‑tanning products.
It’s intended for people looking for a gradual self‑tan rather than a treatment effect.
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Personal guidance only · For clinical concerns, see a dermatologist.