Color and effect
Iron oxides
They provide durable color and opacity, with undertone, tint strength, dispersion, and surface treatment controlling the final shade.
- INCI
- IRON OXIDES
- CAS
- 1309-37-1
- Also known as
- CI 77491/77492/77499 · iron oxide pigments
- Function
- Color and effect
Ingredient answer
What is Iron oxides?
Iron oxides are inorganic red, yellow, and black pigments blended to create skin tones and color effects in cosmetic products.
Formulation behavior
How it works inside a formula
Use cosmetic-permitted grades, standardize pigment lots, manage dust, and validate wetting, grind, shade, rub-off, and labeling.
Where it appears
Common product contexts
- color cosmetics
- tinted skin care
- decorative soaps and washes
Practical caution
What to keep in view
Use only grades permitted for the exact product area and market, and verify dispersion and labeling.
Take the ingredient into a working formula.
Keep supplier details, percentages, compliance checks, and batch records inside your private Formuley workspace.