Hair is a reflection of the internal nutritional balance. Hair growth and hair loss are normal phenomenons that compensate theirselves. This balance is influenced on a seasonal basis or by stress, fatigue, emotions, menopause, childbirth, the daily use of hairstyling products and hairdryers, etc. To keep healthy and vigorous hair, it is essential to have an adequate intake of keratin, vitamins and minerals. Shortage on one of these elements can have an influence on the strength of the hair