Revitalize your scalp and fight early greying hair with the Nioxin Age Defense Serum, the ultimate anti-aging hair serum for maintaining your hair’s fullness, smoothness, and natural color. This lightweight, leave-on scalp treatment is formulated to improve hair density, moisture, and scalp vitality. Use along the Nioxin Age Defense range, a complete regimen that offers a 360 approach to youthful looking hair for longer through its powerful blend of skin-loving ingredients. Infused with Black Oat Peptides, Niacinamide, and Caffeine, to support melanin production, delay the appearance of gray hairs, and restore youthful vibrancy at the root.Safe for color-treated hair and free of sulfates, parabens, and silicones, this serum is the ideal treatment for anyone looking to extend the life of their natural color while addressing thinning and dullness.Our anti-aging hair care range is created to rejuvenate the scalp, stimulate follicles and maintain melanin production, giving volume, shine and preserving natural hair color.