Sunology Natural Sunscreen, Kids, SPF 50 A natural, chemical-free sunscreen, Sunology Natural Sunscreen, Kids, SPF 50 ($13) uses a mixture of titanium dioxide (7.5 percent) and zinc oxide (10 percent) to keep skin safe. The highly rated lotion is available in a travel size for families on the go. Image Source: amazon.com Sunology Natural Sunscreen, Kids, SPF 50 $13 from amazon.com Buy Now