System 5 provides a hydrating treatment that remove sebum, fatty acids and residues from the hair. Helps to maintain the hair's natural moisture level whilst increasing the hair's texture and fullness. Nioxin System 5 Kit is a three-step restorative system to bring vitality and volume back to your chemically treated hair with light thinning. BioAmp adds thickness and strength whilst Activ-Renewal gives a more youthful-looking scalp and fuller, healthier looking hair. Transactive Delivery System delivers essential nutrients onto the scalp which improves the appearance of thinning hair and creates an environment for fuller, healthier looking hair. Set includes: System 5 Cleanser Shampoo Step 1 150ml: Gently remove toxins, residue and DHT from the hair and scalp to promote a healthy scalp environment and ultimately encourage hair growth. To use: Apply to wet hair, massage and rinse thoroughly. System 5 Scalp Therapy Revitalizing Conditioner Step 2 150ml: A daily hair and scalp conditioner which hydrates and energises. To use: Apply to the scalp and work to the ends. Leave for 1 to 3 minutes before rinsing. System 5 Scalp and Hair Treatment Step 3 50ml: A daily leave in scalp treatment, this delivers essential botanicals, nutrients, antioxidants and vitamins to the hair and scalp. To use: Apply directly to entire scalp. Gently massage into scalp. Do not rinse.