Ninety percent of the roughly 5 million reported cases of skin cancer each year is due to UV exposure — that is why experts want Americans to continue using sunscreen. If you are concerned about chemical sunscreens that have oxybenzone/ avobenzone (even though the FDA deems them to be safe but in need of more evaluation,) then consider a zinc or mineral based sunscreen. This recent clinical trial has been getting attention in the main stream media: https://jamanetwork.com/journals/jama/article-abstract/2733085