XL Hair® is a hair booster (CE Class III injectable) that locally nourishes and (re)activates hair follicles. XL Hair helps stop hair loss and stimulates new hair growth. It contains a large number of active ingredients such as (natural) hyaluronic acid supplemented by a biorevitalization fluid, consisting of as many as 47 active ingredients (such as growth factors (FGF), copper peptide, antioxidants, vitamins, minerals, peptides, amino acids and trace elements). For men, a course of 6 treatment is recommended at 1-week intervals each. For ladies, the same interval applies, however, the recommendation of the number of treatments is 8.