State litigation guide · Wyoming

Hair Relaxer Cancer Lawsuits in Wyoming

Time limits apply in Wyoming. Find out if you still qualify.

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Statute of limitations — Wyoming

Wyoming: 4 years from diagnosis or discovery (Wyo. Stat. Ann. § 1-3-105)

4 years from diagnosis

Wyoming data

Exposure in Wyoming

Wyoming's 4-year product liability statute provides significantly more time than the 2-year standard

4-year filing window

Source: Wyo. Stat. Ann. § 1-3-105

The NIH Sister Study confirmed that frequent hair relaxer use more than doubles uterine cancer risk

2.55x uterine cancer risk

Source: Chang et al., JNCI 2022

Medical resources

Clinics & Specialists in Wyoming

Cheyenne Regional Medical Center — Cancer Center

FAQ

Frequently Asked Questions

36 QUESTIONS

Chemical hair relaxers contain endocrine-disrupting chemicals (EDCs) — phthalates, parabens, formaldehyde, BPA, and cyclosiloxanes — that mimic estrogen when absorbed through the scalp. Chronic estrogen overstimulation promotes abnormal growth in hormone-sensitive tissues. The NIH Sister Study found that frequent relaxer users face a 155% increased risk of uterine cancer and a 119% increased risk of ovarian cancer.

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