Scratching is NOT an indication of fleas. Most flea killer products last for 24 to 48 hours. The value is that all biting fleas die and that your pet no matter of what level of infestation it's exposed is protected.
|Brand||First Strike Pet Prod|
|Country/Region of Manufacture||United States|
|Expiration Date||18 to 24 months|
|UPC||Does not apply|