A Prop 65 Crash Course: What You Need to Know (2026)

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My first encounter with a Prop 65 warning was on the back of my TV.

I was selling it on Facebook Marketplace, and when the buyer arrived to pick it up, he spotted a warning I had never noticed. “California Proposition 65 Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or reproductive harm.” Neither of us had seen such a label before, and for a moment, he didn’t want the TV anymore. We did what anyone would do in this situation: We Googled it. He ended up taking the TV. I kept Googling.

California’s Proposition 65, officially called the Safe Drinking Water and Toxic Enforcement Act, applies to a dizzying range...

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