Constitutional Law,
Administrative/Regulatory
Mar. 23, 2026
Prop. 65 cancer warnings face new First Amendment lawsuit from cosmetics makers
In its complaint, the Personal Care Products Council argues that mandatory warnings for products containing diethanolamine constitute misleading compelled speech about risks not established in real-world product use.
A new First Amendment challenge to California's Proposition 65 law asks whether the state can require cosmetics makers to warn consumers about cancer risks that, according to industry plaintiffs, have not been established in real-world product use. In its March 2 complaint, the Personal Care Products Council argues that forcing a warning for products containing diethanolamine, or DEA, does not simply ...
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