Progesterone Pure features a hypoallergenic formula devoid of chemicals commonly found in cosmetics, such as synthetic fragrances and preservatives which may cause sensitivities and allergies. Karuna Progesterone Pure is alcohol, paraben and urea-free. Each 2 oz. tube is of a standardized quality and safety-sealed to prevent oxidation and bacterial contamination. This 2 oz. tube holds 25 mg of natural progesterone USP per quarter teaspoon, applying easily and quickly absorbing into the skin without a sticky or oily feel.