Nioxin's System 1 Duo Has Litre Size Shampoo and Conditioner

For normal - thin looking, fine, natural non chemically treated hair.

Nioxin System 1 Cleanser (Shampoo) helps to remove follicle-clogging sebum, and environmental residues from the scalp and hair. Cleanses to provide thicker-looking hair. 

Nioxin System 1 Scalp Therapy (Conditioner) is a lightweight conditioner that helps provide hair resilience and moisture balance control.