Sulfates in shampoo and cosmetics increase the risk of cancer.

the verdict

CONTESTED PARTIAL

Recorded sources

1 source for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that sulfates in shampoo and cosmetics increase the risk of cancer?

Partly. One 2025 narrative review lists cancer among potential health concerns from long-term cosmetic exposure, while a separate analysis of FDA adverse-event reports notes that cosmetics-cancer data are limited by reporter bias and poor subtyping. Neither source isolates sulfates or quantifies any increased cancer risk.

Verdict: CONTESTED PARTIAL · 1 source for, 1 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1

The impact of perfumes and cosmetic products on human health: a narrative review.

2025

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S, A. (2025). The impact of perfumes and cosmetic products on human health: a narrative review.. doi.org. https://doi.org/10.3389/ftox.2025.1646075

Evidence against · 1

Cosmetics and Cancer: Adverse Event Reports Submitted to the Food and Drug Administration -

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Cosmetics and Cancer: Adverse Event Reports Submitted to the Food and Drug Administration - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1093/jncics/pky012

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