There is a variable response in individuals as far a notable hair growth is concerned. Some will see the results much faster, while other will need to be patient and no notable hair growth will be seen or expected before four months. . Recommended application are 1mls twice daily. Six sprays equals to 1ML. Therefore, apply six sprays in the morning and six sprays at bed time. The solution has 60mls, meaning it will last for one month. The side effects The most common is itchiness especially during the first periods of usage.