The sensitivity of the penis is reduced and does not allow you to finish quickly. The effect of Black Stone Spray is due to a combination of 3 special herbs: Hypericum Perforatum, Avena Sativa, and extract from Mentha Piperita. "Mentha Piperita" is a type of crystalline alcoholic substance usually found in peppermint oil. It emits an external freshness and has an anesthetic action while it is contained less than 1% in Black Stone Spray.