If you're looking for a way to protect your little pal's skin from itchy, uncomfortable and annoying fleas, then Johnson’s 4 Fleas Spot-On Dual Action is the perfect solution. This active flea treatment can kill fleas and larvae within minutes, preventing further infestations for up to 4 weeks. Its Imidacloprid content works quickly to stop fleas biting in just 3-5 minutes, while also killing flea larvae on contact. It’s easy to use - just twist the seal on the vial, hold your pup in the standing position and apply it on the back of their neck. It's safe, effective and hassle-free, killing 98-100% of fleas within 12 hours. Keep your furry friend flea-free with Johnson’s spot-on flea treatment.