System 3 Cleanser & Scalp Therapy Conditioner Duo

System 3 Cleanser & Scalp Therapy Conditioner Duo by Nioxin is a haircare product, filed under Haircare. Build-up is the usual reason a product that worked for months appears to stop working. Use less than you think and add more if you need it; excess product is the quickest route to a flat, greasy finish. Discounted listings come and go, and rarely at the same shop twice. A clarifying wash every few weeks clears build-up and lets the rest of the routine work again. The cheapest listing is not automatically the best deal: delivery and any code applied at checkout decide that.