Sytstem 4 was developed especially for fine, chemically treated hair with visibly decreasing hair density. A three-part system that cleans and cares for the scalp and hair in an optimal way.
The Nioxin Scalp Revitaliser 4 is a weightless conditioner to support resistance and moisture balance.
Work evenly from the base to the tips. Allow to work in for 1-3 minutes. Rinse well. Then use Nioxin Scalp Treatment.