# 哪种牙齿美白套装的效果持续时间最长？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which teeth whitening kit has the longest lasting results?

## 产品列表

### Smile Brilliant Smile Brilliant Teeth Whitening Trays
```yaml
product: smile-brilliant-smile-brilliant-teeth-whitening-trays
brand: Smile Brilliant
price_gbp: 117.44
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 45 minutes daily
included_accessories: Custom-fitted upper and lower trays, impression kit, whitening gel syringes, storage case, prepaid return envelope
number_of_treatments: 9 to 27
whitening_percentage: 22% carbamide peroxide
```

- **价格:** £117.44 [^1]
- **概述:** Smile Brilliant Teeth Whitening Trays use 22% carbamide peroxide gel with custom-fitted trays made from at-home dental impressions. The reusable system suits people seeking professional-style whitening, including users who want standard or sensitive-teeth options and customizable treatment lengths.
- **最适合:** 这套产品适合追求持久效果的人士，因为可重复使用的定制牙托能够提供均匀覆盖，并可随着时间推移通过追加凝胶治疗进行维护。

### Laughland Laughland Whitening Kit
```yaml
product: laughland-laughland-whitening-kit
brand: Laughland
price_gbp: 48.01
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 5-30 minutes
included_accessories: LED mouthpiece, 3 whitening gel syringes, power adaptor
number_of_treatments: 6
whitening_percentage: 8% hydrogen peroxide
```

- **价格:** £48.01 [^2]
- **概述:** The Laughland Whitening Kit combines personalized hydrogen peroxide gel with a phone-powered LED mouthpiece. It is designed for six daily treatments and suits people seeking portable, quick at-home whitening, including users concerned about sensitivity.
- **最适合:** 对于希望获得更持久效果的人士，这款产品可能很合适，因为套装采用 6 次治疗周期，含有滋润牙釉质的成分，并且品牌称美白效果可持续超过最初的治疗周期。
- **附加来源:** [^3]

---
## 参考来源
[^1]: Smile Brilliant, 访问日期 2026-09-13. https://www.smilebrilliant.com/product/teeth-whitening-trays/
[^2]: Laughland, 访问日期 2026-09-13. https://www.mylaughland.com/products/at-home-whitening-kit
[^3]: Laughland, 访问日期 2026-09-13. https://www.mylaughland.com/products/starter-whitening-kit-6-treatments-free-pen