Alba Botanica SPF 50+ Baby Mineral Sunscreen is pediatrician tested to be gentle and safe on baby's delicate skin. Our formula is reef safe and biodegradable for eco-friendliness. This sunscreen in this 4 oz. tube is waterproof up to 80 minutes to give you broad spectrum protection while enjoying a day at the beach or pool. We formulate our product without synthetic fragrances, phthalates, sulfates, or parabens for a more natural formula that is also hypoallergenic.