Just like original Brush On Block SPF 30 powder, this newest one is a powerful, packable, water-resistant broad spectrum protector. It is easy to apply and reapply, easy to carry and provides shine-free sun protection. Mineral Powder SPF 50 can be worn alone or over make-up, and is water resistant for 80 minutes, newest formula helps soothe irritated skin, blurs imperfections and has emollient ingredients that help keep skin moisturized. Like all Brush On Block products, it contains only safe, mineral sunscreen actives.