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2 Doctor Answers | Asked by ljo61008 in winder, georgia
Our office staff called Medical Information at Allergan to get you the answer to your question. The bristles are made of Polybutyl Tereththalate and the handle is Polypropaline. Both are synthetic materials. I hope this helps.
They are made of synthetic material. .i.e. no animals were harmed in the making of these brushes unless you consider CO2 emissions from manufacturing to count