Thinning and hair loss can now be treated and prevented with the use of biomimetic peptides and controlled release hyaluronic acid. The treatment is carried out on the areas affected by thinning with micro-injections or with the Dermapen technique. It has no side effects and has no influence on the level of hormones. It is effective both to combat hair loss and to regenerate damaged follicles, and to prevent cellular damage caused by stress and other environmental factors. Associated with carboxytherapy, it promotes the development of new blood vessels, essential for the correct trophism of hair follicles. The protocol generally provides a number of sessions of 3 to 5, every 15 days, and can be repeated every 4-6 months. Useful association with specific home products, able to balance the pH and to carry out a protective action.