title: How can I be sure a sunscreen product offers protection from both UVA and UVB rays?
mesh_terms: D004781:Environmental Exposure / Q000009:adverse effects* / Q000517:prevention & control; D006801:Humans; D013473:Sunscreening Agents / Q000627:therapeutic use*; D014466:Ultraviolet Rays / Q000009:adverse effects*
chemical_list: D013473:Sunscreening Agents