Nioxin System 4 Liter Duo

System 4 Cleanser: Volumizing cleanser helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp and hair. Cleanses to provide thicker-looking hair. For noticeably thinning, fine, chemically treated hair.
Scalp Therapy Conditioner: A lightweight conditioner that helps provide hair resilience and moisture balance control to noticeably thinning, fine, chemically treated hair. System 4 Cleanser:

- Apply to wet hair, gently massage into scalp and hair.
- Lather 1 minute.
- Rinse thoroughly.
- Use daily.

System 4 Scalp Therapy Conditioner:

- After cleansing, distribute onto scalp and throughout the hair.
- Leave on 1–3 minutes.
- Rinse well.
- Use daily. System 4 Cleanser:

- Apply to wet hair, gently massage into scalp and hair.
- Lather 1 minute.
- Rinse thoroughly.
- Use daily.

System 4 Scalp Therapy Conditioner:

- After cleansing, distribute onto scalp and throughout the hair.
- Leave on 1–3 minutes.
- Rinse well.
- Use daily.