This styptic powder quickly helps stop bleeding from minor cuts and nail clippings. Kwik Stop has been the leading styptic powder for over 40 years, and this powder contains Benzocaine to block pain and stop bleeding. Ingredients: Ferric Subsulfate, Aluminum Chloride, Diatomite, Bentonite, Copper Sulfate, Ammonium Chloride, Benzocaine. Directions: Apply with moistened cotton applicator to the cut, nail or other superficial bleeding area using moderate pressure for five to ten seconds. Do not use on deep wounds or body cavities.