Spot on, acts on contact
Kills 98-100% of fleas within 24 hours for approx 2 months
Kills ticks within 48 hours for up to 1 month minimising the risk of disease transmission
Fully controls infestations of lice within 48 hours
Imagine if you could be satisfied and content with your purchase. That can very much be your reality with the Frontline Spot On XL Large Dog.