Sentry Natural Defense Flea & Tick Squeeze On for Dogs & Puppies Under 15 40lb (3ml Applicators 3 Month Dose)
The exclusive formulations that feature these ingredients are harmless to mammals, birds and fish - but they're deadly to biting pests. This means SENTRY Natural Defense products are highly effective,...
Pros: Easy to apply. Smell nice.
Cons: Does not work in killing fleas.