Product DescriptionGain gentle hold with Nioxin Niospray Regular Hold Hairspray. As one of Nioxin's professional hair styling products, this regular hold spray helps to boost hair diameter and protect hair density for fuller-looking hair. Nioxin Niospray Regular Hold Hairspray with Pro Thick technology provides medium hold for a thicker, fuller* look. This dermatologically tested professional hair product helps care for thinning hair without compromising on style. (*vs. untreated)NioxinNioxin is the only salon brand with 25+ years of experience in thinning hair. Nioxin, supported by The Institute of Trichologists, believes the scalp is an extension of facial skin and requires the same attention and care.