For visibly thinning hair; formulated with REVIV3 Proprietary Complex, an anti-aging tri-peptide, and advanced dermal respiratory complexes. Benefits: stimulates collagen and elastin production, shields from free radical damage, nourishes scalp skin and hair follicles, promotes cellular turnover, and increases microcirculation. BOOST – Naturally based Biotin Cellular Complex. 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 crowns or any area where you can easily see the scalp through the hair.