Around 40% of guys experience obvious hair loss by the age of 35. Hair loss patterns differ between males and women. A forming bare area on the top and gradually receding temple hair may be visible in men. Women&#039;s scalps look to have fewer hairs. Hormone variations, among other factors, are associated with hair loss. It could also be of interest to you to know that if you can start hair loss treatments early on before any substantial damage occurs, you have a better chance of avoiding more serious hair problems.