Zinc Defense Mineral Sunscreen Broad Spectrum SPF 50 sunscreen is infused with 23% Zinc Oxide and Ectoin to help protect skin from environmental stressors while also helping to guard skin from UVA and UVB rays for a healthier-looking complexion. The formula blends to a natural, smooth finish that wears well alone or as a primer under makeup for a healthy-looking complexion you’ll love.