3ml Carbamide Peroxide / Hydrogen Peroxide Teeth Whitening Gel
3ml Carbamide Peroxide / Hydrogen Peroxide Teeth Whitening Gel
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TheWhiteningStore.com’s teeth whitening gel is:
- Fluoride-Free
- Vegan
- Kosher
- Gluten-Free
- Cruelty-Free
- Made in the USA
Is The Whitening Store’s Gel Safe?
All of our gels are manufactured in FDA-Certified and NSF ISO Certified facilities. Our special formula only contains ingredients that are proven safe for your enamel. We do not include any harsh ingredients or fluoride in our teeth whitening gel.
Buy in Bulk and Save!
Select a bulk pack size for discounted pricing…
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50-Pack |
$4.80 / unit |
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100-Pack |
$4.20 / unit |
How Does Professional Teeth Whitening Work?
Peroxide-based teeth whitening gel opens the pores of the teeth to lift stains. The peroxide activates when temperature increases, something that happens in a slow manner just from application in the mouth. The teeth whitening machine accelerates the rate that the peroxide activates - so users see a rapid shade improvement. People with healthy smiles may see a shade increase of 4 - 8 shades in just one sitting!
The Whitening Store's line of teeth whitening lamps (also known in the industry as a teeth whitening machine) will whiten natural teeth with any whitening gel.
How Often Can People Have Their Teeth Professionally Whitened?
While pores are open, teeth can be sensitive and are susceptible to elevated exposure to any dark beverages or smoke, or food colorings.
To sustain a healthy, strong smile, it's best to wait for at least 3 - 6 months between professional whitening treatments. Touchups at home with a lower-strength gel are permitted but should be done in a cycle of up to 8 days, then discontinued for the same reasons.
Please ensure you read the instructions thoroughly before use.
Notice: 35% CP, 44% CP, 12% HP & 16% HP gels are considered a moderately strong formulas. This product is available for purchase by dental professionals or by professional recommendation! Do not use on patients who have a history of sensitive teeth and/or gums. We strive for the highest level of whitening results and comfort for our customers. Please note that opened items may not be returned.

Gingival Barrier FAQ's
What is gingival barrier gel?
Gingival barrier gel is a light-cured resin used to protect the gums and surrounding soft tissue during professional teeth whitening treatments.
Once cured with a dental curing lamp, it creates a temporary protective shield between whitening gel and the gingival tissue.
Is gingival barrier gel the same as a gum dam or liquid dam?
Yes. Gingival barrier gel is also commonly referred to as a gum dam, liquid dam, gingival dam, gum barrier, or gum protector. These terms all describe a protective resin used to isolate soft tissue during whitening procedures.
Why is gingival barrier gel used during teeth whitening?
Professional-strength whitening gels can cause irritation if they come into contact with the gums. Gingival barrier gel helps isolate and protect soft tissue, creating a safer and more comfortable whitening experience for the patient.
Do I need gingival barrier gel when using hydrogen peroxide whitening gel?
Yes. Gingival barrier gel is strongly recommended whenever high-strength hydrogen peroxide whitening gels are used in professional whitening treatments because hydrogen peroxide can irritate soft tissue if proper isolation is not maintained.
Can gingival barrier gel be used with carbamide peroxide whitening gel?
Yes. Gingival barrier gel may be used with both hydrogen peroxide and carbamide peroxide whitening gels whenever soft tissue protection is desired.
What is the difference between gingival barrier gel and a rubber dam?
A rubber dam is a physical sheet used to isolate teeth during various dental procedures, while gingival barrier gel is a light-cured resin that is applied directly to the gum line.
Gingival barrier gel is often preferred during teeth whitening because it is faster to apply, more comfortable for patients, and allows easier access to the treatment area.
How long does gingival barrier gel take to cure?
Most gingival barrier gels cure within approximately 10 seconds when exposed to an appropriate dental curing light. Cure times may vary depending on the curing lamp being used.
What type of curing light is needed?
A standard dental curing lamp is required to properly harden gingival barrier gel. Always follow the curing light manufacturer's instructions for optimal curing times.
Purchase our iLED 1-second curing light HERE.
Can whitening gel burn gums?
Yes - and no. If high-strength whitening gel contacts the gums, temporary irritation or whitening of the tissue may occur. Lower strength gels are less likely to cause irritation to the soft tissue.
Proper application of gingival barrier gel helps reduce the risk of soft tissue irritation during whitening treatments.
How do I apply gingival barrier gel?
After cleaning and drying the treatment area, apply a thin continuous bead directly along the gingival margin and between teeth where needed. Cure the material with a dental curing lamp until hardened before applying whitening gel.
How do I apply gingival barrier gel?
After cleaning and drying the treatment area, apply a thin continuous bead directly along the gingival margin and between teeth where needed. Cure the material with a dental curing lamp until hardened before applying whitening gel.
How do I apply gingival barrier gel?
After cleaning and drying the treatment area, apply a thin continuous bead directly along the gingival margin and between teeth where needed. Cure the material with a dental curing lamp until hardened before applying whitening gel.
How do I apply gingival barrier gel?
After cleaning and drying the treatment area, apply a thin continuous bead directly along the gingival margin and between teeth where needed. Cure the material with a dental curing lamp until hardened before applying whitening gel.
How do I apply gingival barrier gel?
After cleaning and drying the treatment area, apply a thin continuous bead directly along the gingival margin and between teeth where needed. Cure the material with a dental curing lamp until hardened before applying whitening gel.
How many whitening treatments can be completed with one syringe?
The number of treatments varies based on application thickness and provider technique. Applying a thin, controlled bead along the gingival margin helps maximize product efficiency while maintaining adequate protection.
For sanitary reason, do not reuse gingival barrier syringes tips on more than 1 person.
Who uses gingival barrier gel?
Gingival barrier gel is commonly used by dentists, dental hygienists, whitening studios, cosmetic dental professionals, med spas, and trained teeth whitening practitioners in accordance with local regulations.
Gingival barrier gel is not for use at home or outside professional whitening applications.
Does gingival barrier gel replace cheek retractors?
No. Gingival barrier gel and cheek retractors serve different purposes. Cheek retractors help keep lips and cheeks away from the treatment area, while gingival barrier gel specifically protects the gum tissue. They are often used together during professional whitening treatments.
How should gingival barrier gel be stored?
Store gingival barrier gel in a cool, dry location away from direct sunlight and excessive heat. Replace the cap immediately after use and follow all storage instructions provided with the product.
Shop Small. Smile Big.
We’re a woman-owned, independently run small business that believes beauty should be ethical, inclusive, and empowering. Since 2012, we’ve built trusted relationships with customers and professionals who care about quality as much as we do.
Our whitening products are made with FDA-certified ingredients, sourced from diverse and responsible suppliers, and never sold in big-box stores.
Every order supports transparent practices, small-batch production, and a team that values integrity, equality, and confidence - because your smile deserves care from real people, not corporations.