Strengthen and moisturise your hair with Nioxin’s 3-part System 4 Scalp Therapy Revitalising Conditioner for Coloured Hair with Progressed Thinning. Thanks to its BioAmp technology, this professional hair care product helps retain moisture balance, providing hair resilience. Lightweight Nioxin density-protecting conditioner is specially indicated for coloured hair with progressed thinning and leaves it thicker, fuller-looking. Nioxin’s Scalp Therapy Revitalising Conditioner is the second step of a 3-part Nioxin treatment, designed to strengthen the hair and amplify hair structure.