TRESemme Buyers' Claims Too Tangled For Class Cert.

By Mike Curley ( July 3, 2025, 4:59 PM EDT) -- A New York federal judge has denied class certification for a class of 717 buyers of Unilever's TRESemme shampoo who allege the product caused allergic reactions and hair loss, saying their claims would require too much individual inquiry for class certification to be appropriate....

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