Frontline Plus for Small Dogs Up To 10Kg Orange is the ultimate flea and tick prevention treatment. This fast-acting and easy-to-use topical treatment kills adult fleas within 12 hours of application and ticks within 48 hours of application. It kills fleas on your dog, plus flea eggs and larvae in their environment, to keep them protected, however much they socialise at the dog park. It also helps control flea allergy dermatitis, biting lice, and sarcoptic mange. Frontline Plus works against fleas and brown dog ticks for up to one month and for up to two weeks against paralysis ticks. Being waterfast, Frontline Plus is effective even after contact with water.