Explore lawsuits involving chemical hair relaxers.
Hair relaxer lawsuits involve allegations that certain chemical hair straightening products may be associated with serious health conditions, including uterine cancer and other reproductive health concerns, after repeated use over time.
Educational information only. Not medical or legal advice. Hair relaxer claims often depend on individual product history, exposure timing, and applicable law.
What hair relaxer lawsuits involve.
These lawsuits generally involve allegations that manufacturers of chemical hair relaxer products failed to adequately warn consumers about potential long-term health risks associated with repeated use.
Hair relaxer claims are often discussed within the broader category of chemical exposure lawsuits, especially where repeated product use and long-term chemical contact are involved.
- Common allegations
- Failure to warn, design concerns, repeated long-term exposure
- Conditions discussed
- Uterine cancer, reproductive health concerns
- Litigation status
- Federal multidistrict litigation (MDL)
Situations that may fit review.
Whether a person may qualify depends on the facts of the situation, including product history, duration of use, timing, diagnosis, and other case-specific details.
Long-term users
People who used chemical hair relaxer products regularly over months or years rather than once or twice.
Diagnosed conditions
Individuals diagnosed with uterine cancer or certain reproductive health conditions following long-term use.
Repeated product use
Those with extended product-use history at home or in salons, often multiple times per year.
Early-onset use
People whose product use began at an early age and continued over a long period of time.
Salon-based exposure
Individuals exposed through frequent professional salon treatments rather than only at-home use.
Pattern matching
People trying to determine whether their experience fits a broader pattern seen in similar claims.
How exposure typically occurs.
- Repeated at-home use over months or years
- Frequent salon-based chemical straightening treatments
- Long-term exposure beginning at an early age
- Combined at-home and salon use over an extended timeline
Similar long-term product exposure patterns are also discussed in other chemical exposure lawsuits.
Where these cases stand.
Many hair relaxer claims have been consolidated in federal multidistrict litigation to coordinate pretrial proceedings. These cases continue to develop as courts review scientific evidence and individual claims.
Updated July 11, 2026: The federal proceeding, MDL 3060 in the Northern District of Illinois before Judge Mary M. Rowland, has grown to roughly 11,900 pending cases, now the fourth-largest active MDL in the country. The bellwether process is well past the discovery-pool stage: the court selected the initial trial cases in February 2026, fact discovery in the ten trial-pool cases has closed, and both sides have filed their challenges to the other's causation experts — the ruling widely viewed as the gate to the first federal trials, still expected in 2027. In June the court extended a pause on discovery against several second-wave defendants, including Wella, John Paul Mitchell Systems, Bronner Bros., Dudley Beauty, Murray's Worldwide, and Advanced Beauty, with a status update due July 23, 2026. A court-appointed special master continues coordinating settlement discussions, though no settlement has been announced, and parallel state proceedings remain active in Illinois, Philadelphia, Georgia, and New York, with Illinois state courts positioned to reach the earliest trials.
Similar patterns are seen across chemical exposure lawsuits involving long-term use of consumer products.
How the litigation developed.
- October 2022: NIH researchers publish Sister Study findings in the Journal of the National Cancer Institute, reporting that women who used chemical straightening products more than four times in the prior year developed uterine cancer at more than twice the rate of never-users. The first lawsuits are filed within weeks.
- February 2023: The Judicial Panel on Multidistrict Litigation consolidates the federal cases as MDL 3060 in the Northern District of Illinois and assigns Judge Mary M. Rowland to preside.
- May 2023: Plaintiffs file a master long-form complaint asserting fifteen causes of action, including failure to warn, design defect, and negligence.
- October 2023: The FDA announces a proposed rule that would ban formaldehyde in hair smoothing and straightening products.
- November 2023: The court largely denies the manufacturers' motions to dismiss. Fraud-based counts are trimmed, while the core failure-to-warn, design-defect, negligence, and warranty claims proceed.
- 2024 to 2025: Filings grow from roughly 8,000 to more than 11,000 as the bellwether discovery pool works through case-specific fact discovery.
- February 2026: The court selects the initial bellwether trial cases from the discovery pool.
- Mid-2026: Fact discovery closes in the ten trial-pool cases and both sides brief challenges to the opposing causation experts, the ruling widely viewed as the gate to the first federal trials, expected in 2027.
The studies behind the claims.
Two large cohort studies are central to the litigation. Both reported associations rather than proof of causation, and expert testimony interpreting them is now being contested before the court.
NIH Sister Study (2022)
Researchers followed more than 33,000 women for nearly 11 years, during which 378 uterine cancers were diagnosed. Women who reported using chemical straightening products more than four times in the prior year were more than twice as likely to develop uterine cancer as never-users. The study estimated risk by age 70 at 1.64 percent for never-users versus 4.05 percent for frequent users.
Black Women's Health Study (2023)
Boston University researchers followed 44,798 Black women from 1997 to 2019, during which 347 uterine cancers were diagnosed. Long-term relaxer use was associated with increased uterine cancer risk among postmenopausal women, including for use spanning twenty years or more. No association was observed among premenopausal women.
The manufacturers dispute that these studies establish their products cause cancer, and the court is currently weighing challenges to each side's causation experts. How that ruling comes out will shape the first trials.
What happens if you submit information.
If you contact Lawsuit Center, the information you provide may be reviewed to better understand your situation and determine whether it may be appropriate for further review.
Submitting information does not guarantee that you qualify for a claim or that you will be offered representation.
Hair relaxer lawsuit FAQ.
What is the hair relaxer lawsuit about?
These lawsuits allege that manufacturers of chemical hair relaxer products failed to warn consumers that long-term, frequent use is associated with uterine cancer and other reproductive health conditions. The federal cases are consolidated in MDL 3060 in the Northern District of Illinois before Judge Mary M. Rowland, with parallel state proceedings in Illinois, Philadelphia, Georgia, and New York.
Who may qualify for a hair relaxer case review?
Generally, individuals who used chemical hair relaxer products regularly over an extended period, often several times per year for multiple years, and were later diagnosed with uterine cancer, endometrial cancer, or certain other reproductive health conditions may potentially qualify. Eligibility depends on product history, duration and frequency of use, diagnosis, timing, and the laws of the state where a claim would be filed.
Has there been a hair relaxer settlement?
No settlement has been announced as of July 2026. A court-appointed special master is coordinating settlement discussions in the MDL, but no agreement or settlement values have been disclosed. Any specific dollar figures published online at this stage are speculative.
When will the first hair relaxer trials happen?
The first federal bellwether trials are expected in 2027. Fact discovery in the ten trial-pool cases has closed, and the court is weighing challenges to each side's causation experts, a ruling widely viewed as the gate to trial. Illinois state courts are positioned to reach the earliest trials.
Which companies are named in the lawsuits?
Court records name manufacturers including L’Oréal USA, Revlon, Strength of Nature, Namaste Laboratories, Avlon Industries, Wella, and others. Naming a defendant reflects allegations in public filings, not a finding of liability.
Is there a deadline to file a hair relaxer claim?
Yes. Statutes of limitations vary by state and typically run from the date of diagnosis or the date a person reasonably connected a diagnosis to product use. Waiting too long can bar a claim entirely, which is why timing is one of the first things evaluated in a case review.
Do you recognize your situation?
If you used chemical hair relaxer products over time and were later diagnosed with a related condition, the next step may be to request a case review.
Lawsuit Center is not a law firm and does not provide legal advice. Submitting information does not create an attorney-client relationship.