Given the incomplete information made available by companies and the government, EWG provides additional information on personal care product ingredients from the published scientific literature. The chart below indicates that research studies have found that exposure to this ingredient — not the products containing it — caused the indicated health effect(s) in the studies reviewed by Skin Deep researchers. Actual health risks, if any, will vary based on the level of exposure to the ingredient and individual susceptibility — information not available in Skin Deep.
This ingredient: Cancer Developmental/reproductive toxicity Allergies/immunotoxicity Use restrictions Contamination concerns See products containing METHYLCHLOROISOTHIAZOLINONE
About METHYLCHLOROISOTHIAZOLINONE: Methylchloroisothiazolinone is a widely-used preservative; has been associated with allergic reactions.