Risks related to certain preservatives in cosmetic, non-prescription and natural health products

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Health Canada is informing consumers of potential risks related to the combination of methylisothiazolinone and methylchloroisothiazolinone (MI/MCI) used as a preservative in certain leave-on cosmetic, non-prescription and natural health products. Examples of leave-on products include skin moisturizers, massage products, make-up, antiperspirants/deodorants, sunscreen lotions, antiseptic cleansers, topical pain relief, acne creams and diaper rash products.  These preservatives are also used in rinse-off products, such as shampoos and shower gels. Based on current information, there are no identified risks with the use of MI/MCI in rinse-off products when concentrations are at or below levels currently permitted in cosmetics.

For some people, use of these substances can lead to symptoms including a red rash or bumps, itching (which may be severe); swelling, burning, or tenderness of the skin; dry, cracked or scaly skin; and/or blisters (draining fluid and crusting). These symptoms may occur each time someone uses a product containing MI/MCI and may become more severe with repeated use.

Consumers who experience sensitivities or allergic reactions to products containing MI/MCI should avoid using products that contain this preservative and are encouraged to report it to Health Canada as well as the establishment where the product or service was purchased.

After June 14, 2016, all products intended for use by children under the age of three that contain MI/MCI should no longer be available for purchase. All other leave-on products containing MI/MCI should no longer be available for purchase after December 31, 2016.