CI 77491 (Iron Oxides)
Ingredient Info
CI 77491 is a naturally occurring iron oxide pigment used to add color to skincare and cosmetic products. It's an inert mineral that sits on top of the skin and doesn't absorb into deeper layers, making it primarily a colorant rather than an active skincare ingredient.
Benefits
- Provides color to products like foundations, powders, and tinted moisturizers
- Stable and long-lasting pigment that doesn't fade easily
- Generally well-tolerated by all skin types, including sensitive skin
Potential concerns
- Can cause irritation in individuals with known sensitivities to iron oxides (rare)
- May accumulate on skin if not properly removed with cleansing, potentially clogging pores in acne-prone individuals
Science: Iron oxides are approved colorants in cosmetics globally (FDA, EU, etc.) and have a long safety history. Limited peer-reviewed data available specifically for this ingredient, but regulatory bodies consider it safe for topical use at approved concentrations.
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