July 03, 2025
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.
February 28, 2023
A New York federal judge on Tuesday refused to toss a proposed class action claiming that Unilever's TRESemme shampoo contains a chemical that can lead to hair loss, ruling that an Empire State woman has plausibly alleged that exposure to the chemical significantly contributed to her hair loss.