SYSTEM 4 DUO SHAMPOO AND SCALP THERAPY CONDITIONER
SYSTEM 4 DUO SHAMPOO AND SCALP THERAPY CONDITIONER

SYSTEM 4 DUO SHAMPOO AND SCALP THERAPY CONDITIONER

Regular price
63.99$
Regular price
99.99$
Sale price
63.99$

The System 4 duo by Nioxin is a professional formula designed for color-treated hair experiencing advanced density loss, combining the shampoo and conditioner in a professional liter size.

  • Includes System 4 Cleanser Shampoo (1L) and System 4 Scalp Therapy Conditioner (1L) for optimal daily use
  • Gently cleanses while preserving color and strengthening weakened, thinning color-treated hair
  • Economical liter size to maintain the System 4 routine over time and maximize results
  • Synergy of both products for denser, stronger, shinier color-treated hair over time

*Suitable for color-treated or lightened hair.

  1. Apply Cleanser Shampoo to wet scalp and massage gently. Rinse thoroughly.
  2. Apply Scalp Therapy Conditioner from roots to ends. Rinse thoroughly.
  3. For best results, use at least 3 times a week.
  • Q: Does this duo include the leave-in treatment?
  • A: No, this duo contains only the System 4 Cleanser Shampoo and Scalp Therapy Conditioner; for the complete 3-step system, add the Scalp & Hair System 4 treatment.
  • Q: Is this duo safe for color-treated hair?
  • A: Yes, System 4 is specially formulated for color-treated or chemically treated hair with advanced thinning.
NIOXIN SYSTEM 4 DUO SHAMPOO AND SCALP THERAPY CONDITIONER