Ingredient guide
What it is and what it does
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- 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
Local matches predominantly use gold-standard wording or gold salts/complexes. SCCS source concerns nano gold, but ingredient lacks grade/particle specification; cannot transfer that conclusion to unspecified bulk gold.
Research review checked Oct 1, 2026
Bounded local and exact-name indexed primary source search; absence is not proof of no research.
Ingredient research is not proof that a product containing this ingredient works.
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
- INCI name on ingredient lists
- GOLD
- CAS registry number
- 7440-57-5
- EC number
- 231-165-9
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026