What do UVA and UVB mean?
UVA – “A” for “ageing” or “allergy”
It accounts for up to 95% of ultraviolet radiation and affects your skin even when you can’t see the sun – it’s not blocked by clouds or glass.
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UVB – “B” for “burning” or “bronzed skin”
It accounts for up to 5% of the UV radiation that hits the ground and, unlike UVA, is blocked by clouds and glass.
