Nioxin System 5 Color Safe Scalp Therapy Revitalizing Conditioner Step 2Hair that is after bleaching, permanent or chemical straightening and at the same time slightly loses volume, requires specific care. This is provided by the conditioner for chemically treated hair Nioxin System 5 Color Safe Scalp Therapy Revitalising Conditioner. Formulated to strengthen hair fibers from the roots to the tips. It strengthens their texture, keeps them hydrated and beautifully smoothed. Properties: cares for slightly thinning hair