Extremely high flea mortality. Contains.15% Pyrethrum, which is derived from flowers, and kills fleas on contact! Leaves the pet smelling fresh and clean with a shiny coat! May be used in conjunction with other flea and tick control measures. The shampoo is gentle, non-alkaline and hypoallergenic. Shampoo and insecticide are completely biodegradable. For dogs, cats, and ferrets (over 12 weeks of age). Dilutes 12-1. 13.5 oz. and gallons.