Product Overview Treat thinning hair with this Hair Density Concentrate, designed to help hair look thicker, densified & healthy. Benefits Thinning hair can look fuller & feel densified with this treatment, proven to help maintain hair density*. * Clinically tested on 101 subjects Key Technology Enriched with STEMOXYDINE® & Vitamins B3, B5 & B6, this luxurious treatment not only improves hair density of thinning hair, but is proven to help maintain that density.* * Clinically tested on 101 subjects.