Why 'Natural,' Hypoallergenic Products Can Still Cause Allergic Reactions

Skin-care products may have labels touting natural and hypoallergenic ingredients, but that doesn't mean they can't cause allergic reactions, doctors say. Studies have shown that some people are allergic to a preservative called methylchloroisothiazolinone that appears in some skin, hair and other personal care products and household goods. Diana Wilson of Houston said she thinks she's among …

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