Both 300ml shampoo and conditioner for light thinning hair. Both Brand New. Free P&P royal mail tracked 48 delivery. The Nioxin System 1 light thinning Scalp & Hair Shampoo and conditioner is a new product designed for unisex use in preventing hair loss. With a formulation specifically for shampoo, this 300ml duo pack is perfect for those looking to nourish and protect their hair. The brand, Nioxin, is known for its high-quality hair care products, making this a reliable choice for achieving a healthy and full scalp and hair.