Pamper colour-treated hair with the Nioxin Density Defend. The lightweight strengthening foam is a leave-on hair treatment designed to promote the appearance of thicker, fuller locks with a healthy-looking vibrancy. Enriched with DensiProtect technology, the formula helps to combat breakage while supporting the hair’s density. The treatment is designed to detangle tresses from root to tip, enhancing your haircare routine while helping to promote simple styling.