Nioxin Hair Fall Defense Serum - 70ml Nioxin Pro Clinical's Hair Fall Defense is a leave-on scalp treatment for thinning hair. Designed for daily use, it's clinically proven to increase hair anchorage with visible results in only 8 weeks* while thickening hair from the very first use. It's formulated with innovative ingredients including SANDALORE, caffeine, lauric acid, and niacinamide. Together they work to stimulate and nourish the hair follicles to prolong the growth cycle and improve hair resistance for fuller-looking hair. This effective leave-on scalp treatment is the first time SANDALORE has been leveraged to stimulate hair follicles and improve hair anchorage. *Via improved hair anchorage; average results in 8 weeks, in a double-blind clinical study with 120 panelists. 1. Reduced hair fall - 93% of users noticed less hair in their brush. 2. Better hair resistance - 91% of users noticed improved hair anchorage. 3. Thicker, fuller hair - 93% of users felt they had stronger hair when using our leave-on treatment. 4. Healthier hair and improved hair density - 90% of users noticed a reduction in hair breakage. 5. Free of parabens, sulfates, and colorants. 6. Innovative active ingredients - a combination of SANDALORE, caffeine, lauric acid, and niacinamide creates the ultimate hair serum. Use Apply 12-15 pumps on dry or damp hair daily, massaging evenly across the scalp. Do not rinse. For best results, use as part of a complete day and night regimen with our 3-Part System Kits for thinning hair and Night Density Rescue overnight leave-on scalp treatment.