Ruski Standard · Third-party tested · Fully disclosed

Ingredient library

Black iron oxide (mineral colourant)

INCI: Iron Oxides (CI 77499)

Provides the deep black colour of the Noir shade that visually darkens and defines the lashes.

Evidence and limitations

Iron oxides are regulator-approved cosmetic colourants permitted for the eye area, per established regulatory and cosmetic-science consensus.

Products containing it