Kohl / Kajal Eyeliner (Lead)
Traditional kohl, kajal, surma or tiro eye cosmetics.
How this score is built
- 100Start
- 63.2Chemical hazard 8 × 4.6−36.8
- 53Everyday exposure 3 × 3.4−10.2
- 40Persistence 5 × 2.6−13
- ModerateThe band40 sits in 40–59.
What each input rests on
| Input | Rating | Evidence |
|---|---|---|
| Chemical hazard | 8/10 | unsourced input |
| Everyday exposure | 3/10 |
|
| Persistence | 5/10 | 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. The FDA has repeatedly warned that traditional kohl and kajal can be largely lead salts, and their use near the eye is linked to raised blood-lead levels, especially in children. Only cosmetics with an FDA-approved colour additive list are safe substitutes.
Evidence strength: strong
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