State litigation guide · Massachusetts

Hair Relaxer Cancer Lawsuits in Massachusetts

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

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Statute of limitations — Massachusetts

Massachusetts: 3 years from diagnosis or discovery (Mass. Gen. Laws ch. 260, § 2A)

3 years from diagnosis

Massachusetts data

Exposure in Massachusetts

Massachusetts provides a 3-year window from diagnosis — more time than the 2-year standard in many states

3-year deadline

Source: Mass. Gen. Laws ch. 260, § 2A

The landmark NIH study tracked nearly 34,000 women for 11 years to establish the hair relaxer cancer link

33,947 women studied

Source: Chang et al., JNCI 2022

Medical resources

Clinics & Specialists in Massachusetts

Dana-Farber Cancer Institute — Gynecologic Oncology

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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