hat brand and SPF of sunscreen absorbs the most UVA and UVB rays? We figured that the brand that would prove to be the best would be the Coppertone Sport and this would apply to both SPF 15 and SPF 30. Our hypothesis was proven incorrect by a long shot. We concluded that the best sunscreen we tested was the Fruit of The Earth SPF 30. Though this sunscreen was not one of the best at in the UVB area of the spectrum, it proved to be the most consistent all the way through.