I've used about 4 of these and no progress. I took pictures of my teeth every time I used them and they just seemed to get yellower. I'm not sure if I did anything wrong but I should have gotten SOME results after using them for 30 minutes a day.
Crest 3D Whitestrips Glamorous White Teeth Whitening π¦· Kit - 16 Treatments + 2 Bonus Express Treatments
16 Review
Venus Visage Teeth Whitening Pen: 2 Pens for 20+ Uses, Effective & Painless, Sensitivity-Free, Travel-Friendly and Easy to Use for a Beautiful White Smile with Natural Mint Flavor
11 Review
Crest whitening strips 3D White Professional Effects
12 Review
Custom-Fit Teeth Whitening Trays - Moldable, Hygienic, BPA-Free, Latex-Free, Dental π¦· Grade Guard - Set of 4 Mouth Trays for Comfortable Tooth Whitening
12 Review
π± Organic Peppermint and Parsley Oil Gel Capsules for Fresh Breath - Keto Friendly Stomach Mints with 3+ Hour Freshness - XL Size - Freshies
12 Review
BLIS Fresh Breath Kit: Potent BLIS K12 Oral Probiotic for Bad Breath & Halitosis Treatment - Clinically Proven Mouthwash, Tongue Scraper, Lozenges - 4 Week Supply
11 Review
Breath Me TM 50pcs Black Fiber Reed Diffuser Refill Sticks 12 inch - Elegant Home Fragrance Replacement
11 Review
Convenient Listerine Ready! Tabs Whitening Chewable Tablets: Polar Mint Flavor to π¦· Combat Bad Breath, Whiten Teeth, and Eliminate Germs Anywhere, 24 ct, Sugar-Free, Gluten-Free
11 Review