Arizona Sued Cosmetics Firms Over Hair Relaxer Risks

The state filed a lawsuit seeking mandatory cancer warning labels on products used to straighten hair.

Updated on Sept. 28, 2026 in Cancer

Bold flat-color editorial illustration of a glass bottle silhouette on a pedestal, representing the legal action against cosmetic safety standards. — The Arizona Attorney General has sued L'Oréal USA and Softsheen-Carson, alleging the companies failed to warn consumers of cancer risks in hair-relaxing products. AI Illustration. Upload story photo >

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

The Arizona Attorney General has filed a consumer fraud lawsuit against L'Oréal USA and Softsheen-Carson, alleging that their chemical hair relaxers are sold without adequate warnings regarding potential cancer risks. This action marks the first time a U.S. state has taken such legal steps against a cosmetics company concerning the safety of hair-relaxing products.

Why it matters

The lawsuit centers on the presence of phthalates and other chemicals that act as endocrine disruptors, which are linked to increased cancer risks. This legal challenge highlights the existing regulatory gap, as cosmetic ingredients do not currently require FDA approval before they enter the consumer market.

The lawsuit cites data showing that endometrial cancer rates are increasing by 2% to 3% annually among women of color, compared to a 1% annual increase among white women. The legal action is based on allegations that these products contain compounds classified as carcinogens.

The players

L'Oréal USA

A global cosmetics corporation that produces a wide range of hair care and personal beauty products.

Softsheen-Carson

A subsidiary of L'Oréal USA that specializes in hair care products designed for diverse hair textures.

Arizona Attorney General

The chief legal officer for the state of Arizona responsible for representing the state in consumer fraud litigation.

The details

Chemical hair relaxers function by breaking and then reforming the disulfide bonds in hair protein to achieve a straight texture. The state alleges that the specific products sold by the defendants contain endocrine-disrupting chemicals that may contribute to long-term health risks for users. The lawsuit claims that the companies failed to warn consumers about these potential cancer risks during years of product sales.

September 2026: The Arizona Attorney General filed the lawsuit against the cosmetics companies.
2009: The documentary Good Hair was released.

Health Landscape

This lawsuit highlights the limited oversight provided by the FDA's regulatory framework for cosmetic ingredients, which do not currently require approval before entering the market. It represents a significant shift as the first state to challenge industry-wide practices through legal action.

If you are concerned about the ingredients in your hair care products, consider reviewing product labels for chemicals like parabens or phthalates. Discuss any specific health risks or questions regarding personal care products during your next appointment with your primary care physician.

The takeaway

This case emphasizes the ongoing debate over the safety of chemicals used in hair relaxers and the lack of pre-market oversight for cosmetics. Residents should pay attention to future updates regarding mandatory labeling and are encouraged to consult their doctor if they have concerns.