The Nioxin 3-part System 5 Scalp Therapy Revitalising Conditioner for Chemically Treated Hair with Light Thinning is a density-protecting treatment, designed to strengthen and moisturise your locks.Powered by SmoothPlex technology, the formula helps to maintain moisture balance, while enhancing smoothness and shine. Working to amplify hair structure, the lightweight conditioner is ideal for those with chemically-treated and thinning hair, helping to leave it feeling thicker and healthier.