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ARTICLE · 12 JANUARY 2026

Your Proposition 65 2025 "Wrapped": 2025 Year In Review

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As 2025 came to a close, the Proposition 65 (Prop 65) landscape in California continued to evolve rapidly, reflecting shifting enforcement patterns, major litigation outcomes, and significant regulatory developments.

United StatesEnvironment
Michelle Garabetian
Michelle Garabetian
Whitney Jones Roy
Whitney Jones Roy
Jeffrey J. Parker
Jeffrey J. Parker
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As 2025 came to a close, the Proposition 65 (Prop 65) landscape in California continued to evolve rapidly, reflecting shifting enforcement patterns, major litigation outcomes, and significant regulatory developments. This year-end review highlights some of the important Prop65 developments from 2025 and what they may mean for businesses moving into 2026.

Top Charts- Most "Streamed" Categories and Chemicals:

Prop 65 permits private actors to bring enforcement actions "in the public interest," provided the private enforcers first issue a 60-day notice of intent to sue the alleged violator.1

In 2025, the top targeted product categories included:2

  • Food and Herbal Supplements

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