10 hair straightening products centre of Health Canada warning

OTTAWA — Health Canada has put a stop-sale order on 10 hair-straightening products after they were found to contain excessive levels of formaldehyde.

The products, which are professional-grade and available in hair salons and typically not available to the public, have been linked to hair loss, watery eyes and other symptoms consistent with overexposure to formaldehyde.

Consumer complaints included reports of burning eyes, nose, and throat and breathing difficulties.

The order, which means providers should stop using the products immediately, was issued Friday evening.

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