Nioxin Density Defend Diaboost Hair Thickening Serum for Thinning Hair - Volumizing Treatment for Fine & Weak Hair - Perfect for Daily Use at Home & Salon

Nioxin Density Defend Diaboost Hair Thickening Serum is a powerful leave-in hair serum that effectively increases the thickness of each strand of hair, restoring a thicker, fuller-looking appearance. Enriched with hyper-performing ingredients including Caffeine and Niacinamide the formula thickens hair while also protecting hair against breakage.