A member asked:

Supposing i'm using sunblock spf 50, how much sunblock should be applied on the face daily for effective protection?

A doctor has provided 1 answer

Once before going...: Applying sunblock each day, once before going outdoors, should be adequate if the sunblock is not washed off. If there is a lot of sweating, face-wiping, rinsing, or washing, then nobody really knows how much sunblock is remaining on the skin. In that case, one can apply again sunblock while the sun is still bright.

Answered 12/10/2013

5.1k views

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