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What are the ingredients of Silly Putty?

Silly Putty is made primarily from silicone and color pigments. Silly Putty was discovered in 1943 by James Wright and introduced to the public in 1950 by Peter Hodgson. Crayola acquired the exclusive manufacturing rights to Silly Putty in 1977. The formulas are considered proprietary.

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  • Silly Putty® is made primarily from silicone and color pigments. Silicone is an oil-based product and by nature will not dry out. If Silly Putty is left out of the container over a period of several years, it may harden due to other ingredients contained in the putty. The other ingredients are proprietary and cannot be shared.

  • Silly Putty® was discovered in 1943 by James Wright who mixed boric acid and silicone oil together. It was introduced to the public in 1950 by Peter Hodgson. Crayola® acquired the exclusive manufacturing rights to Silly Putty in 1977. Although the exact formulas Crayola uses to make Silly Putty are proprietary, we can share it is made primarily from silicone and color pigments.

  • If your pet has ingested a Crayola or Silly Putty product, please contact a veterinarian for assistance. All Crayola and Silly Putty products have been evaluated by an independent toxicologist and found to contain no known toxic substances in sufficient quantities to be harmful to the human body, even if ingested or inhaled. In addition, Crayola and Silly Putty art materials carry the Art and Creative Materials Institute's (ACMI) APPROVED PRODUCT (AP) seal, which indicates these products meet or exceed specific quality standards.
  • Yes, all Crayola® and Silly Putty® products are non-toxic and safe to use. Crayola has been a trusted brand in homes and schools for over 100 years, prioritizing safety since 1903.


    Independent toxicologists consistently evaluate our products, confirming they contain no known toxic substances in quantities sufficient to harm the human body, even if ingested or inhaled. Both Crayola and Silly Putty art materials carry the Art and Creative Materials Institute's (ACMI) APPROVED PRODUCT (AP) seal, indicating they meet or exceed specific quality standards.

  • Silly Putty is not intended for use as ear plugs. Known as a "solid liquid", it will not maintain a molded shape. It is composed of a silicone material that becomes softer when exposed to normal body temperature. In addition, changes in atmospheric pressure could force the material to flow deeper into the ear than intended, possibly making contact with the eardrum.

     

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