Nioxin System 4 Scalp Care + Hair Thickening Leave-In Treatment
Nioxin System 4 scalp care with Niacinamide & Biotin nourishes dry, colored, damaged hair and supports density. Customers note effective thinning prevention and added shine, though some describe texture as silky or crunchy
Highlights
- niacinamide & biotin for density
- colored, dry & damaged hair support
- scalp care with leave-in treatment
Pros
- nourishes dry, colored hair
- helps promote hair thickness
- adds shine
- supports scalp care
- good value for money
Cons
- some users describe texture as crunchy
- some report it feels dirty or sticky