Arizona Sued L'Oréal Over Hair Relaxer Safety

The state attorney general has launched a consumer fraud lawsuit against L'Oréal regarding cancer risks.

Updated on Sept. 28, 2026 in Cancer

Bold flat-color editorial illustration showing a sharp-edged silhouette of a vessel, symbolizing the regulatory legal action against cosmetic safety standards. — Arizona Attorney General Kris Mayes filed a consumer fraud lawsuit against L'Oréal, alleging the company failed to warn users about cancer risks in hair relaxers. AI Illustration. Upload story photo >

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Should cosmetics companies be legally required to provide explicit health warnings on hair care products?

Arizona has become the first state to file a consumer fraud lawsuit against L'Oréal USA and Softsheen-Carson. The state alleges the companies failed to warn customers about cancer risks associated with chemical hair relaxers.

Why it matters

The legal action highlights growing concerns over endocrine-disrupting chemicals found in cosmetic products. The state aims to mandate explicit cancer risk warning labels on these hair straightening treatments.

Endometrial cancer rates are rising by 2% to 3% annually among women of color, compared to a 1% increase in white women. Cosmetic ingredients currently do not require FDA approval before entering the market.

The players

L'Oréal USA

This is a subsidiary of a major multinational cosmetics company named as a defendant in the Arizona lawsuit.

Softsheen-Carson

This is a beauty products brand specializing in haircare that is named as a defendant in the state filing.

The details

Chemical hair relaxers function by breaking and reforming disulfide bonds to straighten hair, using compounds including phthalates and parabens. The state asserts these products contain carcinogens and were sold for years without adequate safety warnings.

2009: The documentary Good Hair was released.
September 2026: The Arizona Attorney General filed the consumer fraud lawsuit.

The Big Picture

The state's lawsuit marks a shift from the cultural critique of relaxers established by the 2009 documentary Good Hair to formal regulatory and legal intervention.

Arizona residents and consumers nationwide may see future changes in product labeling as this case progresses through the court system. The lawsuit serves as a reminder that cosmetics currently hit store shelves without pre-market FDA approval.

The takeaway

Consumers should be aware that many cosmetic products do not undergo mandatory FDA safety testing before sale. Checking product labels for specific chemical ingredients remains a proactive step for individuals concerned about personal health.