Nioxin - Intensive Therapy Diamax Advanced 3.4 oz

Instantly, visibly thickens hair so it's like having 11,000 more hair strands. Up to 8 hours visible fullness, even in heat and humidity. With daily use, protects existing hair roots and ends against damage and breakage allowing hair to grow longer. Spray onto scalp, massage, and work onto mid-lengths and ends.