Front Line Plus for dogs is the 1st choice for flea and tick protection against the pain of these outside parasites. It is not difficult to use, offers powerful and fast protection against fleas and ticks, and it provides constant protection for the dog. Front Line Plus flea remedy for puppies is fully successful if your puppy is washed and cleaned, goes swim, or goes outside in the pouring rain as it really is 100% watertight. It breaks the flea & tick lifecycle to offer protection that is powerful against ticks and these pesky fleas that reside in both your house and your puppy. Plus for puppies kills 100% of fleas and prevents infestations by dispersing the active pharmaceutical ingredient, fipronil across hair and your skin of your puppy through its hair roots.