Minnesota Sues L'Oréal Over Hair Relaxer Cancer Risks
The state alleges the company marketed hair products to Black women and girls without disclosing potential health dangers.
Updated on Oct. 23, 2026 in Cancer

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The Minnesota Attorney General has filed a consumer-protection lawsuit against L'Oréal, alleging the company marketed chemical hair relaxers to Black women and girls without disclosing potential cancer risks. The suit contends that the company engaged in deceptive trade practices regarding products sold under the Dark and Lovely, Optimum, and Mizani brands.
Why it matters
The legal action highlights growing health concerns regarding the long-term safety of chemical hair relaxers, which have been linked to increased cancer risks. The state is pursuing the case to hold the manufacturer accountable for failing to disclose potential health hazards to consumers.
The lawsuit cites four research studies linking chemical hair relaxer use to elevated cancer risks. These findings include a 71% increased risk of thyroid cancer and a 166% increased risk of pancreatic cancer among frequent users, though these associations remain part of an ongoing legal dispute.
The players
L'Oréal
A multinational personal care company that manufactures and markets beauty products, including hair relaxers.
Minnesota Attorney General
The state's top legal officer responsible for enforcing consumer protection laws and investigating deceptive trade practices.
The details
The complaint alleges that L'Oréal marketed hair relaxer brands as safe, natural, and gentle while failing to provide necessary warnings about ingredient safety. The litigation argues that the company ignored health data regarding specific chemicals used in its Dark and Lovely, Optimum, and Mizani product lines. State officials claim this marketing strategy misled Minnesota consumers who were not informed of the risks associated with frequent exposure to these chemical treatments.
Timeline
October 23, 2026: The Minnesota Attorney General filed the lawsuit against L'Oréal.
Health Landscape
This lawsuit follows a pattern set by the ongoing multidistrict litigation over chemical hair relaxers and cancer. It reflects a broader movement to scrutinize the long-term health implications of personal care products historically marketed to specific demographics.
If you have questions about the safety of hair care products you use regularly, consider discussing the ingredients and potential health concerns with your physician. Staying informed about current legal developments can help you make more conscious decisions when selecting personal care items.
The takeaway
When navigating personal care risks, focus on reviewing ingredient labels and discussing any health concerns with your primary care provider. Tracking new developments in health research can help you better manage your long-term wellness choices.
Further reading
For more information on monitoring health risks and screening recommendations, visit the Cancer section.
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Do you trust that major beauty brands prioritize consumer health over profit when marketing chemical products?







