Used twice daily, boost provides low-density density areas with a Tri-peptide dermal respiratory complex designed to increase cellular turnover and return scalp skin to a more youthful state. Our state-of-the-art nutrient delivery system targets hair follicles to stimulate and repair, using microcirculation to bring nutrients to the hair roots. Protects against sun damage, used in areas such as hairlines and crown or any area where you can easily see the scalp through the hair.