Kwik Stop Powder - the original, and still the best, pet styptic on the market; Kwik Stop Powder quickly and effectively controls minor bleeding caused by clipping nails, claws, and wings, docking tails, and minor superficial cuts. The addition of benzocaine relieves the pain associated with these minor injuries. Available in 0.5 oz., 1.5 oz., and 6 oz. powder. Ingredients: Ferric Subsulfate, Aluminum Chloride, Diatomite, Bentonite, Copper Sulfate, Ammonium Chloride, Benzocaine.