Can you simply add up the sun protection factor from two products?
Guide
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Wet shaving
Which sunscreens offer the best protection? Sprays, creams or sticks?
Background information
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Why am I not allowed to look my age?
Opinion
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Sun protection: do you need to apply sunscreen when it’s cloudy?
Background information
by Natalie Hemengül
Testosterone to treat depression: what an expert advises
Background information
by Anna Sandner
