9.4 Aminopyrrole Lotion + Melatonin: Apply half an ampoule every day, mainly to areas of fine hair. Massage gently to promote absorption. In severe hair loss, we recommend using the lotion twice a day. The treatment lasts 4 to 6 months, after that, you can continue using the lotion three times a week if necessary without a time limit. It is recommended not to wash the hair immediately after the application of the product.