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

Formula 409

Stone & Steel Cleaner

Last verified: March 5, 2026

  • Water
  • Ethanolamine
  • Lauramine Oxide
  • Tetrapotassium EDTA
  • Myristamine Oxide
  • Fragrance
  • Dipropylene Glycol

Why This Product is Rated STOP

Stone & Steel Cleaner by Formula 409 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

Stone & Steel Cleaner by Formula 409 - Non-toxic Household Cleaning Products product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

Formula 409 Google Search

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