Healthy Skin Broad Spectrum Water Resistant (40 Minutes) Dr. Mercola's Sunscreen's ingredients protect, nourish, and moisturize your skin. Plus, when used with other skin protection measures, its special mineral sunscreen helps provide protection from the sun's potentially skin-damaging UVA and UVB rays. Water-resistant. Equally great for children over 6 months, too! Uses Helps prevent sunburn If used as directed with other sun protection measures (see Directions), sunscreen decreases the risk of skin cancer and early skin aging caused by the sun.