Johnsons 4fleas Dual Action Spot On for Dogs is an active treatment to help kill fleas and larvae. It is a highly effective, rapid, monthly spot-on treatment to help stop flea biting in just 3-5 minutes.
Dual action Kills flea larvae within 20 minutes of contact in the area around your pet, including their bedding, resting areas etc.
Can be used for the treatment of biting lice on dogs Indicated for use in cases of flea allergy dermatitis