UVA / UVB 101
You have probably heard talk of the new UVA recommendations for sunscreen. Better protection is a good thing, but what is UVA protection?
Let’s start off by covering the difference between UVA and UVB rays. UV rays are radiation that reaches earth from the sun. UVB rays are the ones that cause damage to the upper most layers of the skin, resulting in sunburn. The SPF number on a sunscreen determines how much protection the product provides against UVB rays...