Everyone wants a gleaming smile, and the internet is full of alphabet-friendly hacks that promise one. Some of them work. Some of them quietly damage your enamel. As a brand founded by a practicing dentist, we owe you the honest report card, so here are the ABCs of teeth whitening, graded.
A: Apple cider vinegar. Grade: F
The old advice says to swish vinegar before brushing. Please do not. Apple cider vinegar is a strong acid, and acid softens and erodes enamel. Any brightness you see is the acid stripping your tooth's surface, and enamel does not grow back. Skip this one entirely.
B: Baking soda. Grade: B
Baking soda is mildly abrasive and genuinely helps remove surface stains, which is why it appears in many toothpastes. Studies consistently show baking soda toothpastes outperform standard ones at stain removal. Use it inside a toothpaste rather than straight from the box, and remember it polishes surface stains only. It cannot change the underlying shade of your teeth.
C: Crunchy and crisp foods. Grade: A
Apples, raw carrots, and celery stimulate saliva and mechanically sweep away the particles that become stains. Free, healthy, and dentist-approved.
D: Dairy. Grade: A
Cheese speeds the neutralization of acid and helps remineralize enamel. Yogurt and milk do similar work. Strong enamel resists stains better, so dairy earns its grade.
E: Eat strawberries (to whiten). Grade: D
The theory says the malic acid in strawberries lifts stains. In controlled studies, brushing with strawberry paste did little to whiten teeth, and the sugar plus acid combination works against you. Enjoy strawberries as food, not toothpaste.
F: Forget dark drinks entirely. Grade: C
Technically effective, since coffee, red wine, and black tea are the biggest staining culprits. But nobody keeps this rule. Managing contact time beats abstinence: see the next letter.
G: Grab a straw. Grade: A
Simple physics. A straw routes iced coffee and dark drinks past your front teeth. Combined with a water rinse afterward, it prevents most new staining without giving anything up.
H: Have some oil (oil pulling). Grade: C
Swishing coconut oil may modestly reduce oral bacteria, and some people enjoy the ritual. But there is no clinical evidence it whitens teeth, and 20 minutes a day is a big ask for an unproven result.
I: Include the fruit peel. Grade: F
Rubbing banana or orange peel on your teeth is a persistent myth. There is no credible evidence minerals transfer from peel to enamel. Two minutes wasted twice a week.
J: Just brush and floss. Grade: A+
The unglamorous champion. The American Dental Association recommends brushing twice daily and flossing once daily. Nothing on this list works without the fundamentals.
The honest summary
Habits and hacks can prevent new stains and polish surface ones, but none of them change the actual shade of your teeth. Only peroxide-based whitening does that. Our Advanced Teeth Whitening Kit was formulated by a dentist to do exactly that job safely: 10 minutes a day, visible results in 10 days, zero sensitivity.
Related: How to Whiten Your Teeth at Home | The Science of LED Whitening
