How long does it take for a man to take estrogen for his beard and pubic hair to stop growing due to different personal physical conditions, it is not possible to confirm the specific time, the human body takes hormones for about 10 days the body will show changes. Estrogen is a sex hormone in the female body, for women’s main role is to promote the growth and development of sexual organs, pregnancy, regulation of metabolism plays a vital role. Estrogen also exists in the male body, mainly from the conversion of androgens into estrogen, which is usually metabolized in the male body. In some disease treatment occasionally see male supplemental estrogen phenomenon, the human body taking hormone about 10 days the body will appear changes, and gradually will affect the growth of beard and pubic hair, but in daily life men do not need to supplement estrogen, the arbitrary use of estrogen or estrogen-like drugs may be harmful to the male body to bring. If you need to take estrogen or estrogen-like drugs, you should go to the hospital in time, under the guidance of the doctor to use drugs, do not blindly use their own drugs.