A totally natural unique blend of ingredients which helps to repel fleas and ticks. No drops to put on the back of the neck and no lasting chemicals in the pets' skin or bloodstream. It is a superb natural deterrent for fleas and ticks and is safe to use as it has no adverse drug reactions and leaves no pesticide residue. The blend of B vitamins, yeast, zinc and garlic help to make your pet's blood less palatable to fleas and ticks. In addition, the blend of ingredients reduces the soggy dog smells, whilst also keeping their coat glossy and skin healthy. Does not contain added salt, sugar or preservatives.