Nioxin System 1 Shampoo cleanses thinning hair and the scalp as the first step in the three-part system. Its cleansing formula helps remove excess sebum and buildup to prepare the scalp for conditioning and treatment.

Ideal for: Natural, untreated hair with light thinning.

Key benefits:

• Removes excess sebum and scalp buildup.

• Prepares hair for the matching conditioner and treatment.

• Supports fuller-looking hair within the three-step system.

Size: 1 litre