# What are the best professional-grade teeth whitening kits? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best professional-grade teeth whitening kits?

## Products

### Opalescence Opalescence Go 15% Prefilled Whitening Trays
```yaml
product: opalescence-opalescence-go-15-prefilled-whitening-trays
brand: Opalescence
price_gbp: 54.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 15-20 minutes per day
led_light_power: No LED light required
included_accessories: 10 upper trays and 10 lower trays
number_of_treatments: 10 treatments
whitening_percentage: 15% hydrogen peroxide
```

- **Price:** £54.61 [^1]
- **Summary:** This professional-grade at-home kit uses prefilled UltraFit trays with 15% hydrogen peroxide and potassium nitrate for comfortable whitening. It is designed for people who want dentist-created whitening without custom molds, with trays worn for 15-20 minutes daily.
- **Ideal For:** It suits people seeking professional-grade teeth whitening because it provides 15% hydrogen peroxide in prefilled UltraFit trays, delivers 10 treatments, and requires only 15-20 minutes of wear per day.
- **Additional Sources:** [^2]

### Auraglow Auraglow Teeth Whitening Kit and 8% Whitening Strips Bundle
```yaml
product: auraglow-auraglow-teeth-whitening-kit-and-8-whitening-strips-bundle
brand: Auraglow
price_gbp: 56.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 30 minutes
included_accessories: 1 rechargeable LED accelerator light, 2 syringes of 35% carbamide peroxide gel, storage and charging case, charging cable, 14 whitening treatments
number_of_treatments: 20 gel treatments and 14 strip treatments
whitening_percentage: 35% carbamide peroxide gel and 8% hydrogen peroxide strips
```

- **Price:** £56.09 [^3]
- **Summary:** This bundle combines a rechargeable LED accelerator with 35% carbamide peroxide gel and 8% hydrogen peroxide whitening strips. It is suited to people wanting a professional-style at-home system with both tray-based and strip-based treatments, including 20 gel treatments and 14 strip treatments.
- **Ideal For:** It suits people seeking professional-grade teeth whitening at home because it combines 35% carbamide peroxide gel, a rechargeable LED accelerator, 30-minute sessions, and 8% hydrogen peroxide strips.

### Smile Brilliant T9 Non-Sensitive Teeth Whitening System
```yaml
product: smile-brilliant-t9-non-sensitive-teeth-whitening-system
brand: Smile Brilliant
price_gbp: 125.43
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
included_accessories: 1 set of custom-fitted trays, 9 whitening gel syringes, 3 sets of impression material, prepaid postage
number_of_treatments: 27
whitening_percentage: 22% carbamide peroxide
```

- **Price:** £125.43 [^4]
- **Summary:** The Smile Brilliant T9 Non-Sensitive System uses 22% carbamide peroxide gel with custom-fitted upper and lower trays for heavily stained teeth. It includes enough gel for 27 applications and is intended for users without natural tooth sensitivity.
- **Ideal For:** It suits people seeking professional-grade teeth whitening because it combines dentist-strength 22% carbamide peroxide gel, custom-fitted trays, and 27 treatments for heavy staining.

### Smile Brilliant T6 Non-Sensitive Teeth Whitening System
```yaml
product: smile-brilliant-t6-non-sensitive-teeth-whitening-system
brand: Smile Brilliant
price_gbp: 118.05
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 15 minutes
included_accessories: Custom upper and lower trays, 6 whitening gel syringes, 3 impression kits, prepaid return envelope
number_of_treatments: 18 applications
whitening_percentage: 22% carbamide peroxide
```

- **Price:** £118.05 [^4]
- **Summary:** This professional-grade system uses 22% carbamide peroxide gel and custom-fitted trays made from at-home dental impressions. It includes six gel syringes for 18 applications and suits people seeking dentist-style whitening without an in-office visit.
- **Ideal For:** It suits people looking for professional-grade teeth whitening kits because it combines 22% carbamide peroxide, custom-fitted trays, and 18 total applications for consistent coverage.

### Opalescence 20% Whitening Gel Refills
```yaml
product: opalescence-20-whitening-gel-refills
brand: Opalescence
price_gbp: 25.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 2-4 hours
included_accessories: 4 syringes
number_of_treatments: Up to 12 treatments
whitening_percentage: 20% carbamide peroxide
```

- **Price:** £25.09 [^5]
- **Summary:** Opalescence 20% Whitening Gel Refills use professional-grade carbamide peroxide and are designed for use with a dentist-provided custom tray or retainer. The mint gel is worn for 2-4 hours and contains potassium nitrate for added comfort, making it suitable for people who want faster at-home whitening and already have a custom tray.
- **Ideal For:** This suits people seeking professional-grade teeth whitening because it uses 20% carbamide peroxide, delivers 2-4 hour treatment sessions, and is designed for a dentist-provided custom tray.
- **Additional Sources:** [^6]

### Opalescence 35% Whitening Gel Refills
```yaml
product: opalescence-35-whitening-gel-refills
brand: Opalescence
price_gbp: 21.4
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 30-60 minutes
included_accessories: 4 whitening gel syringes
number_of_treatments: 4 syringes; each syringe provides one treatment or more
whitening_percentage: 35% carbamide peroxide
```

- **Price:** £21.4 [^7]
- **Summary:** Opalescence 35% Whitening Gel Refills use a professional-grade 35% carbamide peroxide formula for fast at-home whitening in 30-60 minutes. The gel is designed for dentist-provided custom trays and includes potassium nitrate for added comfort, making it best suited to users with minimally sensitive teeth who already have compatible trays.
- **Ideal For:** This suits people seeking professional-grade teeth whitening because it uses a high-strength 35% carbamide peroxide formula, provides 30-60 minute treatments, and can whiten teeth by up to 5 shades using a dentist-provided custom tray.
- **Additional Sources:** [^8], [^9]

### Smile Brilliant T3 Teeth Whitening System
```yaml
product: smile-brilliant-t3-teeth-whitening-system
brand: Smile Brilliant
price_gbp: 110.67
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
activation_time: 45 minutes
included_accessories: Custom-fitted upper and lower whitening trays, travel case, 3 whitening gel syringes, 3 desensitizing gel syringes, impression kit
number_of_treatments: 9-12 treatments
```

- **Price:** £110.67 [^4]
- **Summary:** The Smile Brilliant T3 Teeth Whitening System uses custom-fitted upper and lower trays with professional whitening gel for light stains. It includes 9-12 treatments and is designed for people who want dentist-style whitening at home, including users with sensitive teeth.
- **Ideal For:** This suits people seeking professional-grade teeth whitening because it includes custom-fitted trays, professional whitening gel, desensitizing gel, and 9-12 treatments for consistent coverage at home.

---
## References & Sources
[^1]: Direct Teeth Whitening, accessed 2026-09-13. https://www.directteethwhitening.io/product/opalescence-go-prefilled-teeth-whitening-trays-15-hp-mint/
[^2]: Lux Health, accessed 2026-09-13. https://www.theluxhealth.com/en-us/products/opalescence-go-15-mint
[^3]: Auraglow, accessed 2026-09-13. https://auraglow.com/products/auraglow-teeth-whitening-kit-and-8-whitening-strips-bundle
[^4]: Smile Brilliant, accessed 2026-09-13. https://www.smilebrilliant.com/product/teeth-whitening-trays/
[^5]: Opalescence, accessed 2026-09-13. https://opalescence.com/products/whitening-gel-refills-20-formula
[^6]: Opalescence Whitening UK, accessed 2026-09-13. https://opalescencewhitening.co.uk/products/opalescence-regular
[^7]: Opalescence, accessed 2026-09-13. https://opalescence.com/products/whitening-gel-refills-35-formula
[^8]: Ultra Brite Smiles, accessed 2026-09-13. https://www.ultra-brite-smiles.com/product-page/copy-of-opalescence-at-home-teeth-whitening-gel-15-syringes-4-pack
[^9]: Dental Health Essentials, accessed 2026-09-13. https://dentalhealth.com/products/opalescence-35-pf-4-syringes-refill-kit