Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

nioxin PRO CLINICAL

Hair Fall Defense Shampoo

Last verified: March 24, 2026

  • Aqua/Water/Eau
  • Sodium Laureth Sulfate
  • Sodium Lauryl Sulfate
  • Cocamidopropyl Betaine
  • Caffeine
  • Sandalore
  • Sodium Benzoate
  • Citric Acid
  • Mentha Arvensis Leaf Oil
  • Panthenol
  • Salicylic Acid
  • Lauric Acid
  • Niacinamide
  • Trisodium Ethylenediamine Disuccinate
  • Methylparaben
  • Polyquaternium-10
  • Mentha Piperita (Peppermint) Oil
  • Sodium Hydroxide
  • Limonene
  • Biotin
  • Alcohol
  • Tocopherol
  • Sodium Citrate
  • Sodium Chloride
  • Sodium Xylenesulfonate

Why This Product is Rated STOP

Hair Fall Defense Shampoo by nioxin PRO CLINICAL has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

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