In February 2021, a class-action lawsuit
was filed against Sanofi-Aventis U.S., LLC for allegedly falsely marketing Maximum Strength Selsun Blue as an “Antidandruff” treatment that “Helps Prevent and Eliminate Itchy Scalp & Visible Flakes” when, according to plaintiffs, the shampoo contains ingredients that cause scalp irritation, hair loss, and damage to hair. (Lewis et al v. Sanofi-Aventis U.S., LLC
, Case No. 21-cv-616, N.D. Ill.)
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