Most cosmetic products contain one or more preservatives.
Preservation of cosmetics is necessary, because otherwise bacteria and fungi will grow in the products, which would constitute a health hazard to the user.
Preservatives are found for instance in:
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Cosmetics as creams, lotions, sunscreens and makeup
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Personal hygiene products as shampoos, conditioners, liquid soaps and bubble baths
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Hairstyling products
Many preservatives can cause allergic reactions. Examples of preservatives in cosmetics can cause allergies:
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Formaldehyde
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Formaldehyde-releasers
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Iodopropynylbutylcarbamat (IPBC)
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Methyldibromo glutaronitrile
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A combination of methylchloroisothiazolinone and methylisothiazolinone (MCI/MI), also known as "Kathon".
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Methylisothiazolinone (MI)
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Parabens
More than one type of preservative may be used in a product.
Preservatives are also found in many products used in workplaces.
