Nioxin Diamax ADVANCED Thickening Xtrafusion Treatment - 6.76 oz- Thick, healthy looking hair is easy to achieve with Diamax Advanced thinking treatment. This treatment leaves the hair stronger so it grows longer and fuller without breakage. Hair looks more voluminous and lasts up to 8 hours so you have great looking hair all day long. -THICKENING TREATMENT: Thickens existing hair right at home without fuss. -STRONGER HAIR: Strengthens hair to prevent breaking so it grows in longer. -INTENDED FOR DAILY USE: For best results use daily, producing long, healthy hair. -NOTICEABLE DIFFERENCE: See the difference after just one treatment. -EASY APPLICATION: A leave in formula, just apply it to the roots and scalp of wet or dry hair for all day volume.