California Prop 65 Warning for Importers: What You Need to Know

If you import products into California, you have likely seen the Prop 65 warning label. It shows up on everything from electronics to kitchen tools. But what does it actually mean? And how do you make sure your products comply before they arrive in the US?

This guide covers what California Prop 65 is, which products are affected, and how you can check compliance during a factory inspection in China.

What Is California Prop 65?

Proposition 65 is a California law passed in 1986. Its formal name is the Safe Drinking Water and Toxic Enforcement Act. The law requires businesses to warn consumers if their products contain chemicals linked to cancer, birth defects, or other reproductive harm.

California maintains a list of over 900 chemicals. Any product sold in California that exposes consumers to a listed chemical above a certain level must carry a clear warning label.

For importers, this matters because many consumer goods made in China contain materials that may include Prop 65 listed chemicals.

Which Products Are Affected?

Prop 65 applies to a broad range of consumer products. Here are the most common categories imported from China:

• Electronics — Phones, tablets, laptops, cables, and chargers. These often contain lead, cadmium, or phthalates in solder, casings, or wiring.
• Plastics and PVC products — Toys, kitchen tools, storage containers, shower curtains. Phthalates and BPA are common concerns.
• Textiles with dyes — Clothing, bedding, upholstery, and rugs. Azo dyes and heavy metals in printing inks can trigger Prop 65.
• Metal components — Jewelry, zippers, buttons, hardware, cookware. Lead and cadmium in metal alloys or coatings are frequent issues.
• Food contact materials — Ceramic mugs, glassware with painted designs, plastic food containers. Lead in glazes or pigments is a known risk.

Common Prop 65 Listed Chemicals in Consumer Products

Chemical	Found In	Health Risk
Lead	Electronics solder, painted ceramics, metal alloys, PVC	Cancer, developmental harm
Cadmium	Jewelry, plastics, batteries, metal coatings	Cancer, kidney damage
Phthalates (DEHP, DBP, BBP)	Soft plastics, vinyl toys, shower curtains, cables	Reproductive harm
Bisphenol A (BPA)	Polycarbonate plastics, food can linings, receipt paper	Reproductive harm
Formaldehyde	Plywood, pressed wood furniture, textiles with wrinkle-free finish	Cancer
Arsenic	Pressure-treated wood, some glass products	Cancer
Hexavalent Chromium	Metal plating, dyes, pigments, leather tanning	Cancer, respiratory harm

What Does the Prop 65 Warning Label Look Like?

The warning label must say that the product contains chemicals known to cause cancer or reproductive harm. The current version uses this language:

The label must be "clear and reasonable." It can appear on the product, the packaging, or a sign at the point of sale. For online sales, the warning must be shown before the customer completes the purchase.

How to Verify Prop 65 Compliance During Factory Inspection

You do not need to test every batch for every chemical. But you should build Prop 65 checks into your inspection process. Here is how:

1. Review material declarations — Ask your supplier for a full list of materials and components. Request MSDS sheets for glues, coatings, and dyes.
2. Check for known risks — Use the table above to identify which chemicals are likely in your product. An electronics product needs lead and phthalate testing. A ceramic mug needs lead and cadmium testing.
3. Request lab testing — Send samples to a certified lab before mass production. Focus on the chemicals most likely to be present.
4. Verify during PSI — During pre-shipment inspection, check that warning labels are correct and visible on the product or packaging. CloudSpects can do this for you.

How CloudSpects Can Help During PSI

CloudSpects is a third-party inspection company based in China. We check your products before they leave the factory. For Prop 65 compliance, we can:

• Review product materials and compare them against the Prop 65 chemical list
• Verify that warning labels meet California requirements
• Collect samples for third-party lab testing
• Check packaging and labeling during pre-shipment inspection
• Provide a detailed English report within 24–48 hours

Prop 65 is one of the most common compliance issues importers face. But it does not have to be complicated. With the right checks in place at the factory, you can avoid delays, fines, and bad press.

If you buy from China, add Prop 65 checks to your inspection checklist. It is a small step that protects your brand and your customers.

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