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Best choice
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Contains ingredients with possible health concerns
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Contains harmful ingredients
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purezero

Biotin Strengthening Shampoo

Last verified: February 6, 2026

  • Water
  • Sodium C14-16 Olefin Sulfonate
  • Cocamidopropyl Betaine
  • Glycol Distearate
  • Ppg-2 Hydroxyethyl Coco/Isostearamide
  • Sodium Chloride
  • Biotin
  • Hydrolyzed Rice Protein
  • Coco-Betaine
  • Guar Hydroxypropyltrimonium Chloride
  • Sodium Cocoyl Isethionate
  • Polyquaternium-10
  • Peg-120 Methyl Glucose Dioleate
  • Citric Acid
  • Ethylhexylglycerin
  • Phenoxyethanol
  • Fragrance

Why This Product is Rated STOP

Biotin Strengthening Shampoo by purezero 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 →

Frequently Asked Questions

Biotin Strengthening Shampoo by purezero - Non-toxic Shampoos + Conditioners product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

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