Nioxin System 4 Hair Treatment Set

Nioxin System 4 is a two-piece regimen for color-treated hair experiencing early thinning. The set pairs a cleansing shampoo that removes residue and product buildup with a scalp therapy conditioner designed to revitalize thinning hair. Both products are formulated specifically for colored hair and include Nioxin's proprietary blend. Together they provide a complete cleansing and conditioning routine.