The effect of Dacronin ointment varies from person to person, and it takes effect in about ten minutes of topical application and usually lasts for about two hours. Dacronin ointment belongs to a kind of local anesthetic, usually applied externally, has the function of blocking nerve impulses, and has a relieving effect on itching or pain of the skin, which is used for the treatment of male premature ejaculation, erectile difficulties, etc., which can play a role of local anesthesia, reduce glans stimulation, and achieve prolonged ejaculation time. Dacronin ointment use is, wash the sexual organs, take the appropriate amount of Dacronin ointment on the hands or cotton swabs, apply to the glans, penis and coronary groove and other parts of the glans, usually about ten minutes to take effect, the duration of about 2 hours, do not recommend a large number of or long-term use, so as not to cause damage to the sexual organs. Dacronin ointment effect varies from person to person, specific to use under the formal guidance of the doctor, if the use of the process of discomfort, should promptly go to the hospital for medical treatment.