Aerosol Dry Shampoo (Benzene)
Spray-can dry shampoo used near the scalp.
51Moderate burden · out of 100
Cleaner swapA non-aerosol powder dry shampoo, or simply washing your hair
How this score is built
- 100Start
- 72.4Chemical hazard 6 × 4.6−27.6
- 58.8Everyday exposure 4 × 3.4−13.6
- 51Persistence 3 × 2.6−7.8
- ModerateThe band51 sits in 40–59.
What each input rests on
| Input | Rating | Evidence |
|---|---|---|
| Chemical hazard | 6/10 | unsourced input |
| Everyday exposure | 4/10 | unsourced input |
| Persistence | 3/10 | unsourced input |
Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built
What this means for you
The chemical-hazard rating is what drives the score down. Testing has found benzene, a known carcinogen, contaminating some aerosol dry shampoos from the propellant. Powder formats avoid both the contaminant and the inhaled mist.
Evidence strength: moderate
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