The use of products that contain Vitamin B6, Biotin, magnesium and zinc is going to be one of the best moves you can make. What is the what causes hair loss in men cause of your hair loss? For example stress, illness, surgery, hormonal imbalance, hair or scalp infection, certain medications, a lack of vitamins, antidepressants etc. This is a natural process and gets resolved after sometime. However, the first important step is to visit a dermatologist to rule out any underlying health problem.