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Many of the active ingredients in flea and tick powders are harmful to humans, or suspected of being carcinogenic, or have effects on the nervous system. The Humane Society has a page on OTC flea and tick products, one of the sections details a couple of these effects: Besides pyrethroid-based products, ingredients to be wary of are organophosphate ...


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First of all, please refer to this study from Oxford University on use of Camphor, Eucalyptus, and other terpenic balms and compounds on children. Please be aware of their safety if they are in the vicinity and make certain they are not exposed to them in excess, as they can absorb harmful amounts through their skin if not carefully moderated. If you're ...


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