Why sunscreen is important for a healthy skin The sunlight which reaches earth surface is a combination of UVB (290–320 nm) and UVA (320–400 nm) radiation. Both UVA and UVB radiation are deleterious causing a wide variety of damaging biological effects. Repeated sun exposure induces adverse effects to the skin which includes sunburn, pigmentation, photo-allergies, […]
A Complete Guide to Sunscreen UV filters
