Relieving internal and external hemorrhoidal symptoms, Preparation H Cream is effective at shrinking swollen hemorrhoidal tissues and gives prompt soothing relief from internal swelling, itching, and discomfort. Preparation H Cream includes the active ingredient Bio-Dyne (yeast as a live cell derivative).
 
Ingredients:
Yeast as a live cell derivative (Bio-Dyne: Skin Respiratory Factor) 1.0%. NON-MEDICINAL INGREDIENTS: Butylated hydroxyanisole, cellulose, cetyl alcohol, citric acid, disodium edetate, glycerin, glyceryl monostearate, glycerol oleate, lanolin, parabens, petrolatum, propyl gallate, propylene glycol, simethicone emulsion, sodium benzoate, sodium lauryl sulfate, stearyl alcohol, water, xanthan gum.