A Dentist-Approved Answer
Teeth whitening is more popular than ever, and one of the most well-known at-home options is Crest Whitening Strips. Advertised as a convenient and affordable way to brighten your smile, these whitening strips claim to remove stains and make teeth several shades whiter in just a few weeks.
But do Crest Whitening Strips really work, and are they a good alternative to professional whitening treatments? In this blog post, we’ll take a closer look at how these strips work, their effectiveness, and whether they’re worth using.
How Do Crest Whitening Strips Work?
Crest Whitening Strips contain a thin, flexible layer of gel infused with hydrogen peroxide or carbamide peroxide, the same bleaching agents used in professional whitening treatments.
How to Use Them:
✔ Apply the strip to your teeth and press gently to make sure it sticks.
✔ Leave it on for 30 minutes (or as directed).
✔ Remove and discard the strip, then rinse your mouth.
✔ Repeat daily for 1-2 weeks for best results.
These strips whiten teeth by breaking down stains on the enamel’s surface. Over time, they penetrate deeper to remove yellowing caused by food, drinks, and smoking.
Do Crest Whitening Strips Actually Whiten Teeth?
The short answer: Yes, Crest Whitening Strips can work, but their effectiveness depends on several factors.
✔️ When Crest Strips Work Well:
✅ They are effective for mild to moderate surface stains from coffee, tea, red wine, and smoking.
✅ They can make teeth 1-3 shades whiter after a full treatment (typically 10-14 days).
✅ They are affordable and easy to use compared to professional whitening.
❌ When Crest Strips May Not Work Well:
🚫 They do not work on deep stains (such as discoloration from aging or tetracycline antibiotics).
🚫 They do not change the color of dental work (such as crowns, veneers, or fillings).
🚫 Uneven whitening may occur if strips don’t fully cover all teeth.
🚫 Results fade faster than professional whitening, requiring frequent touch-ups.
💡 Verdict: Crest Whitening Strips can provide noticeable results, but they won’t be as dramatic or long-lasting as professional teeth whitening.
How Long Do Crest Whitening Strips Last?
Results vary, but typically:
⏳ Whitening lasts 3-6 months before stains start to return.
⏳ With proper oral hygiene and avoiding staining foods, results may last closer to a year.
⏳ To maintain a bright smile, many people use whitening strips every few months as a touch-up.
💡 Pro Tip: If you drink coffee, tea, or wine regularly, your whitening results may fade faster. Consider using a straw and rinsing with water after consuming stain-causing drinks.
Are Crest Whitening Strips Safe?
Crest Whitening Strips are generally safe when used correctly, but there are some risks:
Potential Side Effects:
🔸 Tooth Sensitivity: Some users experience temporary sensitivity to hot or cold foods.
🔸 Gum Irritation: If the whitening gel touches the gums, it can cause burning or white spots.
🔸 Uneven Whitening: Strips don’t always cover every tooth, leading to inconsistent results.
🔸 Overuse Risks: Using whitening strips too frequently can weaken enamel and increase sensitivity.
💡 How to Reduce Risks:
✔ Use as directed—don’t exceed the recommended time or frequency.
✔ Avoid placing strips directly on gums to prevent irritation.
✔ Use sensitivity toothpaste if you experience discomfort.
✔ Take a break between treatments to avoid over-whitening.
Crest Whitening Strips vs. Professional Whitening: Which Is Better?
| Feature | Crest Whitening Strips | Professional Whitening |
|---|---|---|
| Whitening Strength | Mild to moderate | Strong & deep whitening |
| Time for Results | 1-2 weeks | Immediate (1 visit) |
| Longevity | 3-6 months | 1-3 years |
| Effectiveness on Deep Stains | ❌ No | ✅ Yes |
| Sensitivity Control | ❌ Limited | ✅ Dentist-supervised |
| Custom Fit | ❌ One-size-fits-all | ✅ Custom trays for even results |
| Cost | $30-$80 | $300-$800 |
Which One Should You Choose?
✔ Crest Whitening Strips – Best for budget-conscious users with mild stains.
✔ Professional Whitening – Best for faster, longer-lasting results and deeper stain removal.
Final Verdict: Are Crest Whitening Strips Worth It?
Yes, Crest Whitening Strips work, but they have limitations. They are a convenient and affordable option for people looking for a mild whitening boost. However, they are not as effective, long-lasting, or safe as professional whitening treatments.
Best for You If:
✔ You have mild surface stains and want a subtle whitening boost.
✔ You’re looking for a budget-friendly option.
✔ You don’t mind repeating the treatment every few months.
Consider Professional Whitening If:
✅ You want dramatic, longer-lasting whitening results.
✅ You have deep stains that OTC strips can’t remove.
✅ You have sensitive teeth and need a safe, custom treatment.
💡 Bottom Line: Crest Whitening Strips do work for many people, but if you want a truly radiant smile, professional whitening is the superior choice.
Want the best results? Book a consultation with a dentist today and achieve the bright, white smile you’ve always wanted! 😁✨