Fragrances and preservatives are the main ingredients in cosmetics. Fragrances are the most ordinary cause of skin problems. More than 5,000 different kinds are used in products. Products marked “fragrance-free” or “without perfume” means that no fragrances have been added to make the product smell good. Preservatives in cosmetics are the second most frequent cause of skin problems. They put off bacteria and fungus from growing in the product and defend products from damage caused by air or light. But preservatives can cause the skin to become irritated and infected as well.
Some examples of preservatives are: * paraben * imidazolidinyl urea * Quaternium-15 * DMDM hydantoin * phenoxyethanol * formaldehyde The ingredients below cannot be used, or their use is limited, in cosmetics. They may cause cancer or other serious health problems. * bithionol * mercury compounds * vinyl chloride * halogenated salicyanilides * zirconium complexes in aerosol sprays * chloroform * methylene chloride * chlorofluorocarbon propellants * hexachlorophene
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