Product description Bob Martin Flea and Tick Spot On for Small Dogs is a simple but effective way of protecting your small friend against fleas and ticks. By applying one treatment directly to your dog's skin, you will provide protection for up to 4 weeks. If your dog has an existing heavy flea infestation you will need to treat it first to deal with the existing fleas to ensure any infestation is brought under control treat your dog, carpets, soft furnishings and your dog's bedding, before using this Spot On Treatment. IMPORTANT: Use correctly to safeguard the health of you and your pet. Read the Product Information on pack or enclosed leaflet carefully before use. Ingredients Ethyl Butylacetylaminopropionate