24 Oct 2022 --- Certain lots of Bed Head, Dove and Tresemmé dry shampoo aerosol products produced prior to October 2021 have been recalled by Unilever Canada due to potentially elevated levels of harmful benzene. The company reported 1,574,426 units of the affected product were sold in Canada between January 2020 and October 2022.Unilever US has also issued a recall of its Dove, Nexxus, Suave, TIGI (Rockaholic and Bed Head) and Tresemmé dry shampoos. This recall is being conducted with the knowledge of the US Food and Drug Administration (FDA), and to date, no reports of adverse events relating to this recall have been found.