The NIOXIN 3-Part System 6 Trial Kit for Chemically Treated Hair with Progressed Thinning Kit features four fortifying formulas designed to revitalise both hair & scalp. Enriched with innovative haircare technologies, the products work to cleanse, hydrate & strengthen chemically treated tresses. Set Contents: Anti-Hair Loss Treatment 70ml A lightweight serum that works to combat the appearance of thinning hair. Designed to build body & lift from root to tip, the formula helps to promote the look of thicker, fuller tresses while offering protection when styling & brushing. 3-Part System 6 Trial Kit for Chemically Treated Hair with Progressed Thinning (2 x 150ml / 1 x 40ml) A shampoo, conditioner & leave-in treatment to cleanse both hair & scalp while enveloping strands in fortifying properties. The kit nourishes chemically treated hair while helping to combat thinning strands by replenishing with a thicker, healthier appearance.