Thinning Hair Complete Treatment. Clinical effectiveness tests: 86% positive results Phytoaxil combines 2-patented botanical active principles to act on both the hair and scalp. In a 3-month treatment program, its incredible efficiency makes it the ultimate weapon to fight thinning hair. Persistant thinning hair is known as "androgenetic" alopecia which is due to an excess of malehormones which, in turn, leads to a scalp imbalance. It is often genetically programmed, but can also be due to aging, tiredness or stress. Such thinning hair is localized and particularly concerns men. this product should be used in addition to the phytocyane shampoo.