Mycodex Pet Shampoo with 3X Pyrethrins. •A potent triple strength shampoo with synergized pyrethrins to effectively control severe flea and tick infestations on dogs and fleas on cats. •Cleans deodorizes and softens coat to make it more manageable. •Concentrated formula provides more applications per bottle. Active ingredient: Pyrethrins 0.15%. Do not use on lactating or very young animals.