Since 2013 or earlier, “hundreds if not thousands” of consumers have complained about hair loss, scalp irritation and other adverse events after using TRESemme Keratin shampoos, yet Unilever Home & Personal Care USA has failed to adequately warn consumers about potential risks, plaintiffs say in proposed US class actions.
Emily Castillo and Iris Arroyo seek to represent themselves and consumers nationwide, as well as state subclasses, that purchased TRESemmé Keratin Hair Smoothing
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