| http://www.w3.org/ns/prov#value | - Moisturizers perform these functions by acting as humectants, emollients, and occlusives.7 Moisturizers containing collagen and other proteins, i.e., keratin and elastin, claim to rejuvenate the skin by replenishing its essential proteins but whether or not they have any effect on skin hydration is questionable.2 Moisturizers also act to reduce skin friction and increase skin hydration by providin
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