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4.7
34 reviews
Rating breakdown
Most-mentioned keywords
Why consumers buy
Coffee/Beverage Staining Concerns
Multiple consumers purchased specifically because they regularly drink coffee and wanted an affordable alternative to professional whitening to address discoloration.
Brand/Influencer Recognition
Several reviews mention discovering the product through YouTubers (e.g., 'やすとものどこいこ！？'), TV appearances, or existing familiarity with Briall's whitening toothpaste line, driving purchase decisions.
Post-Orthodontic Care
At least one consumer purchased after removing braces, seeking to address color concerns from the orthodontic treatment period.
Price Advantage Over Dentistry
Buyers explicitly chose this home-use gel because professional dental whitening was too expensive, viewing this as a budget-friendly alternative.
Product Bundle/Complementary Use
Several consumers purchased the gel specifically to pair with or enhance results from Briall's whitening toothpaste they were already using.
How they use it
Timed Application (30 minutes to 1+ hour)
Reviews indicate the product is applied for 30 minutes as standard, though some users extend to 1 hour; guidance suggests gradually increasing duration to manage sensitivity.
Sentiment breakdown
Share of analyzed reviews by overall sentiment.
Mirror-Based Self-Application
Users appreciate the pen-stick format for easy at-home application while looking in a mirror, contrasting favorably with patch-type alternatives.
Pairing with Mouthwash and Toothpaste
Some advanced users combine the gel with Briall whitening mouthwash and whitening toothpaste for enhanced results.
Long-term Routine (Weeks of Use)
Multiple reviews note that visible results develop over several weeks of consistent use rather than from a single application, suggesting this is a maintenance product.
Saliva Management Challenge
At least one review mentions difficulty controlling saliva during application; some users report using orthodontic retention devices to help maintain product contact.