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Contains harmful ingredientsSTOP
KIRKLAND Signature
Oxi Powder
Last verified: March 11, 2026
- Sodium Carbonate
- Sodium Carbonate Peroxide
- C12-15 Alcohols Ethoxylated
- Sodium Silicate
- Fragrance
- Colorant
Why This Product is Rated STOP
Oxi Powder by KIRKLAND Signature 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.
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