Opalescence 35% Gel Syringes Refill Kit (8 Count)
Professional level teeth whitening gel in carbamide peroxide, designed for at-home use with separate syringes and compatible with trays. Users note fast results and strong whitening, with some sensitivity for certain individuals
Highlights
- carbamide peroxide gel-based formula
- no LED light needed or recommended
- multi-syringe refill kit
Pros
- professional level whitening
- easy delivery to whitening trays
- compatible with Invisalign trays and retainers
- includes multiple syringes for refilling
- well-rated by a large number of customers
Cons
- potential sensitivity for some users
- gum burning reported by some customers
- strong formulation may be challenging for sensitive teeth
Best For
Features
- Opalescence 35% carbamide peroxide gel in refill syringes for home whitening
- Deluxe Opal line compatible with Invisalign trays, aligners, retainers, and custom trays
- Mint flavor; 30–60 minutes per day whitening routine
- Whiten teeth up to multiple shades in 7 days with 35% gel
