MelaShield is a unique melanin-containing physical sunscreen. Melanins are a class of pigments responsible for the color of skin and hair, and can neutralize free radicals generated by sunlight. MelaShield contains only Titanium dioxide and Zinc oxide for gentle, broad-spectrum UVA and UVB protection. The chemical-free, fragrance-free formula dries clear. MelaShield has a specially-designed silky, matte-finish formula ideal for facial application. The silicone vehicle is well suited for post procedure and sensitive skin.