Study finds benzene in many dry shampoos

(The Hill) – An independent laboratory and healthcare research group found elevated levels of the cancer-causing chemical benzene in the majority of tested samples from several dry shampoo brands.In a new study released Tuesday, Valisure said 70 percent of the samples it tested contained elevated levels of benzene, with some reaching up to 170 times the Food and Drug Administration (FDA) limit of 2 parts per million (ppm).Valisure tested 148 batches from 34 different brands, including from