Thinning hair can be a stressful problem especially if you have very fine, thin hair which is notable for being weak and prone to breakage. Nioxin Cleanser System 1 has been specially designed for thin to normal, natural hair. It amplifies the hair texture, strengthening the hair whilst protecting hair from damage and breakage, leaving scalp refreshed and hair with a natural, radiant and healthy shine. The Nioxin System 2 Kit has been formulated for rejuvenating thinning and fine hair to become visibly thicker, with 15 SPF sunscreen for scalp protection. Recommended by the Institute of Trichologists, the trial Nioxin System 2 Kit is ideal for trying the thickening and straightening benefits of System 2 before committing to the product. This Nioxin System 2 Kit works in three parts: - A shampoo cleanser gently cleans and removes pollutants. - The scalp revitaliser provides resilience and moisture balance. - The scalp treatment refreshes the scalp with anti-oxidants and botanicals. The trial Nioxin System 2 Kit contains a 150 ml sized cleanser, 150 ml of revitaliser, and 50 ml of the scalp treatment.