Part 3: What Does “Broad Spectrum" Mean?

Part 3 of a 4 part series on sunscreen Broad spectrum means that a sunscreen protects against two types of ultraviolet sun rays, UVB and UVA. UVB is the shorter...
Part 3 of a 4 part series on sunscreen Broad spectrum means that a sunscreen protects against two types of ultraviolet sun rays, UVB and UVA. UVB is the shorter...