Dry Shampoo Aerosol Products (Benzene Contamination, 2022 Recall, Propellant Risks, Talc Inhalation) — safety profile
Moderate riskDry shampoo aerosol products faced a major safety crisis in 2022 when independent lab Valisure detected benzene (a known Group 1 carcinogen) in 70% of tested dry shampoo products at levels up to 170 ppm — far exceeding the FDA limit of 2 ppm for unavoidable contamination.
What is this product?
Dry shampoo aerosol products faced a major safety crisis in 2022 when independent lab Valisure detected benzene (a known Group 1 carcinogen) in 70% of tested dry shampoo products at levels up to 170 ppm — far exceeding the FDA limit of 2 ppm for unavoidable contamination. This triggered voluntary recalls from Unilever (Dove, Suave, Nexxus, TRESemmé — 1.5 million cans), Church & Dwight (Batiste), and P&G brands. Benzene was traced to contaminated hydrocarbon propellants (butane, isobutane, propane) used to aerosolize the product. Beyond benzene contamination, dry shampoos contain absorbent powders (talc, rice starch, aluminum starch octenylsuccinate) that pose inhalation risks during application directly to the scalp, particularly concerning for daily users who spray in enclosed bathroom spaces.
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