Dear window20luis,Thank you for writing in with your question. 5% minoxidil does work for men to help curtail the progression of hair loss. However, it tends to lose its hair-saving effects after about 2 years as the body gets used to it being around and down-regulates the receptors to the medication, making the medication less effective over time. However, hair loss is a condition for which there is no cure, so every little bit can help. While minoxidil can help, it’s not as effective as finasteride, also known as Propecia. Also, low level laser therapy (LLLT) is also quite effective in slowing the progression of typical male pattern baldness, and in some cases, can appear to regrow hair and reverse the process of hair loss. I hope this information is helpful to you.