Obagi Medical Sun Shield Mineral Broad Spectrum SPF 50 is a lightweight, mineral-based sunscreen offering broad-spectrum protection with 15.6% Zinc Oxide and 6.2% Titanium Dioxide. It defends against UVA, UVB, infrared (IR), and blue light, making it ideal for daily use. Suitable for sensitive and post-procedure skin, it's non-comedogenic, hypoallergenic, and dermatologist-tested. The formula is sheer, non-greasy, and absorbs quickly. Reapply every 2 hours or after swimming/sweating for optimal protection.