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

NailTek

Formula 3 Strengthener Protection Plus Nail Treatment

Last verified: April 7, 2026

  • Ethyl Acetate
  • Butyl Acetate
  • Alcohol Denat
  • Nitrocellulose
  • Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
  • Acrylates Copolymer
  • Triphenyl Phosphate
  • Trimethyl Pentanyl Diisobutyrate
  • Isopropyl Alcohol
  • Benzophenone-1
  • Hydrolyzed Wheat Protein
  • Dimethicone
  • Calcium Pantothenate
  • Violet 2 (CI 60725)

Why This Product is Rated STOP

Formula 3 Strengthener Protection Plus Nail Treatment by NailTek 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

Formula 3 Strengthener Protection Plus Nail Treatment by NailTek - Non-toxic Nail Products product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

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Please note that product images displayed on this page are obtained from third-party sources and provided for informational purposes only. Manufacturers and retailers may change product packaging, labeling, ingredients, or appearance without notice, so images may not reflect the most current version. Million Marker does not guarantee the accuracy of product images.