Nioxin System 2 Scalp and Hair Thickening Serum is a targeted treatment designed to improve hair density and promote a fuller appearance. This 100 ml serum is formulated for individuals with progressively thinning hair and works to nourish the scalp and strengthen hair strands. As part of the Nioxin System 2 line, it helps create an optimal environment for healthier-looking hair. Lightweight and easy to apply, it seamlessly integrates into your hair care routine. Ideal for daily use, this serum supports thicker, more resilient hair over time.