The NIOXIN 3-Part System 3 Trial Kit for Coloured Hair with Light Thinning Kit is designed to target thinning hair to enhance its strength and shine. Specially formulated for colour-treated hair, the four-part collection promotes fuller and healthier-looking tresses. Set Contents: Anti-Hair Loss Treatment 70ml A leave-on hair serum designed to improve the appearance of thinning hair. The lightweight formula helps to fortify strands from root to tip to promote stronger and fuller-looking locks. NIOXIN 3-Part System 3 Trial Kit for Coloured Hair with Light Thinning 2 x 150ml / 1 x 50ml A three-step trial kit featuring a shampoo, conditioner and treatment formulated to cleanse, hydrate and refresh the hair and scalp, while encouraging resilience, volume and vibrancy.