The ALASTIN SilkShield All Mineral Sunscreen SPF 30 blends seamlessly into the skin. offering a lightweight and sheer formula. Maintain a flawless complexion with this advanced mineral-based sunscreen. It provides broad-spectrum protection against UVA and UVB rays. shielding your skin from daily sun exposure. The lightweight. silky formula blends seamlessly into your skin. leaving a smooth. sheer finish. Enriched with antioxidants. it helps defend your skin from environmental stressors while enhancing its natural radiance. Ideal for daily use. it works well under makeup or on its own for a fresh. protected look.