A new study has found elevated levels of benzene, a human carcinogen, in a string of top-selling dry shampoo brands.
Researchers at Valisure, a New Haven, Connecticut-based independent analytical laboratory, tested 148 batches from 34 different brands using industry-standard GC-MS technology.
Among the dry shampoo’s tested were those from the brands Redken, Not Your Mother’s, Sebastian, Batiste, OGX, and Paul Mitchell Invisiblewear.
They found that 70 percent of the samples tested showed “quantifiable levels of benzene,” while some samples analyzed directly from contaminated air “suggest the sprayed product contained up to 170 times the conditionally restricted FDA concentration limit of 2 parts per million (ppm).”…