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Last reviewed: September 2026 · Copy link
CPC for slime, putty and sensory dough
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What to test on slime and putty
- The toy standard provisions that apply by age grade (small parts for under-3 putties, sharp edges for accessories).
- Chemical content: lead and heavy metals in pigments and glitter, plus a toxicological review of the base formulation.
- Microbial quality for water-based slimes: preservative failures have driven complaints and returns.
Labeling and instructions that protect you
Slime kits should carry age grading, hand-washing guidance, and clear "not edible" language, and boron-containing activators need specific handling warnings in line with the art-material labeling duties. The certificate cites the physical and chemical rules; the instructions carry the use guidance that keeps kids safe and complaints away.
Questions people ask
Does homemade slime sold at markets need testing?
Yes: a children’s product sold commercially follows the same rules as factory-made goods. Small makers test one representative batch per formula.
Is boron in slime banned in the US?
Some markets restrict boron in slime; US rules treat it through the hazardous-substance and toy frameworks with a toxicological review. Follow current CPSC guidance and label handling warnings honestly.
My slime contains glitter. Extra testing?
Glitter is a distinct material: labs test it for heavy metals like any other component. Include it in the material list you send.
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