L’Oréal Among Defendants in Litigation Over Hair Products. Dozens of hair straightener cases allege higher incidence of cancers and other diseases. Plaintiffs in dry shampoo litigation say products contain benzene.  Seven companies control the U.S. hair product industry. L’Oréal has been hit hard in recent hair care litigation related to straighteners, relaxants, and dry shampoos. L’Oréal was named a defendant in nearly sixty complaints alleging that straightening products manufactured by the beauty giant have caused cancer in its consumers. L’Oréal has also been named a defendant in a proposed class-action for its Redken dry shampoo that allegedly contains the carcinogen benzene. Other large industry players such as Johnson and Johnson and Unilever have also been accused of selling dry shampoos with dangerous levels of benzene. Straighteners and Relaxers Litigation Dozens of cases have been consolidated in multidistrict litigation against L’Oréal for its [...]