It is better to avoid the consumption or use of tobacco or tobacco products such as cigarettes, cigars, e-cigarettes (electronic cigarettes), shisha, hookah (water pipe), etc.  It is advisable to not smoke at all in the day of the operation, You must remember that nicotine causes excessive bleeding so you are not advised to smoke or consume any product that has nicotine in it.  Lastly, when you smoke you consume toxic chemicals that might negatively affect the hair follicles or graft.  If you cannot quit smoking before the operation we advise that you greatly limit the amount of smoking that you do just before the operation.