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The ingredient, explained

Curcumin

A primary study examines this ingredient in the specified preparation and setting.

AntioxidantCosmetic colorant
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Ingredient guide

What it is and what it does

1‚7-bis-4-Hydroxy-3-methoxyphenyl-hepta-1‚6-dien-3‚5-dione, -E,E-- / -CI 75300-

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Antioxidant
Limits oxidation, including deterioration of formulation ingredients. This label alone does not show a clinical antioxidant effect in skin.
Cosmetic colorant
Adds colour to a product or the surface where it is applied.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Animal research

Topical curcumin reduced UVB-induced apoptotic cells in mouse skin; seven-day pretreatment outperformed single application.

What this does not tell us

Animal UVB challenge, no human photoprotection or cancer-prevention endpoint. Dose and model specificity matter.

Sources for this summary. PubMed 36615565 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.

Read the 1 selected study

Follow the formula

Products containing this ingredient

All 5 products ↗

From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.

Names and identifiers

Registry identity

1‚7-bis-4-Hydroxy-3-methoxyphenyl-hepta-1‚6-dien-3‚5-dione, -E,E-- / -CI 75300-

INCI name on ingredient lists
CURCUMIN
CAS registry number
458-37-7
EC number
207-280-5

Sources for this ingredient record