System 4 is specially designed for noticeably thinning, fine, chemically-treated hair. Cleanses to provide thicker-looking hair. Detoxifying shampoo for progressed thinning, colored/chemically treated hair.
Nioxin System 2 Shampoo & Conditioner Prepack | For Natural or Untreated Hair with Progressed Thinning | With Niacinamide and Biotin | Pumps Included | 33.8 Fl oz.
Nioxin System #1 Shampoo, 33.8 oz
Nioxin System #2 Shampoo, 33.8 oz
Nioxin System 4 Scalp + Hair Conditioner | For Colored or Damaged Hair with Progressed Thinning | With Niacinamide and Biotin | 33.8 Fl oz.
Nioxin System 4 Scalp + Hair Thickening Treatment | Serum for Colored or Damaged Hair with Progressed Thinning | 6.8 Fl oz.
NIOXIN Scalp + Hair Thickening System 2 Shampoo| For Natural or Untreated Hair with Progressed Thinning |With Niacinamide and Biotin |10.1 Fl oz.