UVA has a longer wavelength and can cause tanning and skin aging with prolonged (or repeated) exposure, while UVB has a shorter wavelength and can cause sunburns. However, both UVA and UVB ...
Our rigorous independent tests identify the best sun creams that pass British Standard tests for UVA and UVB sun protection so you know you're getting a product you can rely on - and that's pleasant ...
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