Nioxin system 4 scalp revitaliser conditioner is a daily conditioning product that has been specifically designed to be used on chemically enhanced or noticeably thinning hair use it together with the system 4 shampoo and this conditioner will prevent your scalp from becoming dry or irritated after your colour fragrance direct customers love the nioxin range of hair care products that we have on offer and this nioxin system 4 scalp revitaliser conditioner is a particular favourite as it