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ARTICLE · 11 MARCH 2026

Prop 65 Counsel: What To Know

ArentFox Schiff
ArentFox Schiff
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Recent federal court decisions continue to affect the scope of Proposition 65 warning enforcement, particularly where compelled warnings are based on contested scientific evidence.

United StatesEnergy and Natural Resources

Prop 65 Counsel: What To Know

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First Amendment Challenges Continue to Reshape Prop 65 Enforcement Landscape

Recent federal court decisions continue to affect the scope of Proposition 65 warning enforcement, particularly where compelled warnings are based on contested scientific evidence.

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Recent Settlement Trends: Reformulation Requirements Across Consumer Product Categories

2026 reflects continued enforcement across a wide range of consumer product categories and listed chemicals. Recent settlements have addressed alleged exposures to substances such as 1,4-dioxane in personal care products, bisphenol A (BPA) and bisphenol S (BPS) in apparel and thermal receipt paper, diethanolamine in cosmetics and hair care products, lead in cookware and household items, per- and polyfluoroalkyl substances (PFAS) in consumer goods, and various phthalates in vinyl products.

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