Skin-safe and reef-safe mineral sunscreen Harken Derm was designed by dermatologist Dr. Edit Olasz Harken specifically for sailors. The mineral sunscreen reflects the sun’s damaging rays before they penetrate, unlike chemical sunscreens, which absorb damaging rays into the skin before defusing them and require frequent reapplication. The High-Performance SPF 50 Sunscreen is water resistant for 80 minutes, sweat resistant and offers full spectrum protection from UVA/UVB, infrared and HEVL rays. A Daily Skin Repair Lotion is also available. Harken Derm sunscreen, $39.50, www.harkenderm.com