TotLogic Broad Spectrum Sunscreen SPF 30 is a mineral based and contains 20% pure Non-Nano Zinc Oxide for superior protection against UVA and UVB rays. Water resistant up to 80 minutes TotLogic Sunscreen is infused with natural and soothing extracts of Chamomile nourishing Hyaluronic Acid Lavender Aloe and Jojoba and Antioxidants Arnica and White Tea to keep skin hydrated and protected. Reapply after swimming and at least every two hours.