Sentry Original Flea & Tick Shampoo for Dogs kills fleas & ticks for up to 10 days. Kills the ticks that may carry lyme disease. pH balanced for Pet's coat. Cleans, deodorizes and conditions. Kills fleas and ticks (including those who may carry Lyme Disease) for up to 10 days while it cleans and deodorizes in one easy convenient step. Rich, conditioning formula is non-staining and pH balanced for shiny skin and healthy coat. Active Ingredients: Permethrin: .10% Piperonyl butoxide, technical: .50% Other Ingredients: 99.40% For use on dogs 12 weeks and older. Tropical breeze scent. 18 fl. oz.