Zinc oxide

Zinc Oxide is a white mineral powder commonly used in cosmetic and personal care formulations as a physical UV filter, skin protectant, and soothing agent. It helps protect the skin from harmful UVA and UVB rays while providing calming and protective benefits for sensitive or irritated skin. This versatile ingredient is widely used in sunscreens, diaper rash creams, calamine lotions, acne products, powders, ointments, and protective skincare formulations. Zinc Oxide also helps reduce redness and irritation while supporting the skin barrier. Depending on particle size, Zinc Oxide may be used in both transparent sunscreen formulations and traditional white protective creams. INCI Name Zinc Oxide Functions UV filter Skin protectant Opacifying agent Soothing agent Anti-irritant Bulking agent Benefits in Formulation Provides broad-spectrum UV protection Helps soothe irritated skin Supports skin barrier protection Reduces redness and discomfort Useful in acne and sensitive skin formulations Adds opacity and coverage to formulations Usage Rate 1% – 25% Typical usage: Sunscreens: 5–25% Baby care products: 5–15% Acne treatments: 1–10% Creams & lotions: 1–5% Powders: 2–10% Solubility Insoluble in water and oil Dispersible in oils and emulsions pH Stability Best stability at pH 6 – 8 Compatibility Compatible with: Oils and butters Emulsifiers Waxes Mineral-based ingredients Most cosmetic raw materials May interact with: Strong acids Some unstable active ingredients under certain conditions