Good Effects of UVB on the Skin
Gases around the earth cut off 98.7% of the sun’s ultraviolet radiation from piercing through our atmosphere. The 2.3% that penetrates may have bad effects when you get overly exposed, but in moderation, it actually has good effects on the skin. UV radiation between 290 and 320 nm is referred to as ultraviolet-B (UVB). UVB …