Hi The common causes of hair loss in young men include nutrition deficiency because of wrong eating habits, stress, smoking, frequency changes in place of residence and male pattern hair loss. Be sure to change your life style and diet to get healthy foods and enough exercise. do meet a dermatologist so they can start on hair specific vitamin supplement and hair serums to address ongoing hair loss as well as to prevent further thinning of the hair. Home remedies such as oiling may not help if the underlying problem are not addressed