Gia Mazur is an award-winning staff writer and beauty obsessive who joined The Times-Tribune's Lifestyles department in 2015. Class Action Lawsuit Claims - Top Class Actions. The chemical, cocamide diethanolamine (cocamide DEA), a chemically-modified form of coconut oil used as a thickener or foaming agent in many products, was listed by California as a known carcinogen last year. Unilever recalled the following Dove, Nexxus, Suave, TIGI (Rockaholic and Bed Head) and Tresemm dry shampoo aerosols: Dove Dry Shampoo Volume and Fullness. Benzene is classified as a human carcinogen, the recall states. I used this and still do, regularly. A class action lawsuit, if successful, could help consumers get back some of the money they spent on the shampoos and hair products listed above. According to the lawsuit, Unilever could have easily avoided the benzene contamination. I am a woman and its awful. 21-cv-1587 N.D. Cal. [gravityform id="1247" title="false" description="false" ajax="true" field_values="l=US"],