Cats can be sensitive to permethrin at high concentrations but products like Happy Jack DD-33 Flea and Tick Spray contain a very smaller percentage and when used as directed on the product label is safe for cats.
The Happy Jack DD-33 Flea and Tick Spray is intended to be used on dogs and cats, even the most sensitive breeds. Please take a moment to look at our Indoor Flea Kit, for flea treatments inside the home. Also, please look at our Flea Control Guide to point you in the direction you need for flea control.
Happy Jack DD-33 Flea and Tick Spray should not be used on animals under 3 months of age.
Happy Jack DD-33 Flea and Tick Spray is more for contact kill and to keep Fleas and Ticks away for a few days and can generally be used after topically applied products.
Per the product label, puppies must be 12 weeks or older to use Happy Jack DD - 33 Flea and Tick Spray
We would recommend keeping animals seperated until the application has dried on their coats completely before letting them interact. If you have further concerns, always consult with your Vet before applying.