Products are split into three levels based on ingredient labels
GO
Best choiceSLOW
Contains ingredients with possible health concernsSTOP
Contains harmful ingredientsSTOP
Opalescence
Go 15% Prefilled Whitening Trays
Last verified: April 7, 2026
- Glycerin
- Water (Aqua)
- Hydrogen Peroxide
- PVP
- Carbomer
- Potassium Hydroxide
- Silica
- Dipotassium Phosphate
- Xylitol
- Citric Acid
- EDTA
- Flavor And Fragrance
- Potassium Nitrate
- Sodium Fluoride
- Sodium Lauryl Sulfate
- Sucralose
Why This Product is Rated STOP
Go 15% Prefilled Whitening Trays by Opalescence 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.
Frequently Asked Questions
