| http://www.w3.org/ns/prov#value | - More than 25% of women use 15 or more. [2] Cosmetics, toiletries, and skin-care products, including sunscreens, quite frequently cause adverse reactions, [3] and are commonest single reason for hospital referrals with allergic contact dermatitis. [4] It is estimated that 1-3% of the population are allergic to a cosmetic or cosmetic ingredient. [5] In one American survey comprising 30,000 consumers
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