Back to Ingredient Dictionary

Iron Oxides

Description

Iron oxides are versatile inorganic compounds widely used in cosmetic and skincare formulations. These pigments occur naturally as minerals but are primarily synthesized for commercial use to ensure purity and consistency. Available in a range of colors including red, yellow, and black, iron oxides provide crucial coloring properties in various skincare and makeup products.

In skincare, iron oxides play a significant role in physical sunscreens, contributing to broad-spectrum UV protection by reflecting and scattering both UVA and UVB rays. They are particularly effective in protecting against visible light and blue light, which can contribute to hyperpigmentation in certain skin types.

Iron oxides are considered safe for topical use and are non-irritating for most skin types. They are insoluble in water and resistant to degradation, ensuring product stability and longevity. These pigments are often used in mineral makeup foundations, concealers, and tinted moisturizers to provide natural-looking coverage and color correction.

While primarily used for their coloring properties, iron oxides also offer mild antimicrobial benefits, potentially helping to preserve product formulations. Their opacity and light-reflecting properties can contribute to a smooth, even appearance on the skin, making them valuable in products designed to improve skin tone and texture.

Products with this Ingredient