The NIOXIN 3-Part System 4 Loyalty Kit for Coloured Hair with Progressed Thinning Kit stars 4 powerhouse products, designed to target thinning hair. Set Contents: 3-Part System 4 Trial Kit for Coloured Hair with Progressed Thinning (2 x 150ml / 1 x 40ml) This trial kit features one shampoo, one conditioner, & one scalp & hair treatment. Suitable for coloured hair, the kit aims to cleanse, hydrate & protect strands against potential thinning. Anti-Hair Loss Treatment with Sandalore (70ml) A leave-on hair serum to help create the illusion of thicker locks. Designed to improve the appearance of hair loss after 8 weeks, the lightweight formula seeks to fortify your strands while minimising the risk of breakage during brushing.