where do you get those things the dentist uses to prevent the Carbamide Peroxide from touching the gums? I hate how these burn and recede the gum line

You should only use about 1/3rd of the syringe per tray. If it is squishing up and out you are using too much.

Do you need to use a teeth remineral gel after use? If so , how does one do that procedure?

I first used this stuff when my dentist gave it to me many years ago and now here it is on Amazon. I have never used a remineral gel.

what is the expiration (or use by) date on the item i will receive?

I bought them in July/August 2019: My expiration date was 2021.03.31.

Is this percentage(15%) to strong for sensitive teeth.?

If your teeth are sensitive use Sensodyne toothpaste as your regular routine for a couple weeks before using 15% and that should help. That’s what we give our patients.

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15% Gel Syringes Teeth Whitening Refill Kit - Low Sensitivity (4 Syringes) - Cool Mint - Carbamide Peroxide - Made in The USA by Ultradent Tooth Whitening - 5195-2

15% Gel Syringes Teeth Whitening Refill Kit - Low Sensitivity (4 Syringes) - Cool Mint - Carbamide Peroxide - Made in The USA by Ultradent Tooth Whitening - 5195-2

Product ID: 15463552

Details

Active Ingredients
Carbamide
Brand
Opalescence
Item Form
Gel
Number of Items
4
Product Benefits
Professional

⏳4-6 hours wear time - flexible schedule

💎15% Carbamide Peroxide - potent whitening

🇺🇸Made in USA - trusted quality

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¥10334

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Brighten your smile, not your sensitivity! 💎

NO LED LIGHT NEEDED - Simplified whitening process compatible with Invisalign, retainers, and custom trays.
LOW SENSITIVITY FORMULA - Gentle 15% carbamide peroxide gel designed for sensitive teeth—no pain, just gain.
REFRESHING COOL MINT FLAVOR - Enjoy a clean, fresh taste that makes whitening a pleasant daily ritual.
TRUSTED BY 25 000 DENTAL PROS - Backed by 30+ years of expertise and 50+ awards, join 100 million bright smiles worldwide.
PROFESSIONAL GRADE WHITENING AT HOME - Achieve up to 10 shades whiter teeth in just 7 days without pricey dental visits.

Opalescence 15% Gel Syringes offer professional-level teeth whitening with a low-sensitivity formula, delivering up to 10 shades whiter teeth in 7 days. This USA-made, carbamide peroxide gel works seamlessly with Invisalign and custom trays, requiring no LED light. Trusted by dental professionals and loved by millions, it combines effective whitening with a refreshing cool mint flavor for a comfortable, award-winning experience.

Specifications

ASIN	B00VQTM43A
Active Ingredients	Carbamide Peroxide
Age Range Description	Adult
Best Sellers Rank	#13,560 in Health & Household ( See Top 100 in Health & Household ) #14 in Teeth Whitening Gels
Brand	Opalescence
Brand Name	Opalescence
Customer Reviews	4.5 out of 5 stars 2,746 Reviews
Flavor	Mint
Included Components	Syringes
Item Dimensions	6 x 3.5 x 1 inches
Item Form	Gel
Item Weight	0.08 Pounds
Manufacturer	Ultradent Products Inc.
Manufacturer Part Number	5397-U/2pack
Material Features	Allergen-Free
Material Type Free	Gluten Free
Model Number	5397-U/2pack
Number of Items	4
Product Benefits	Professional Teeth Whitening Rifill Gel Kit
Set Name	Opal by Opalescence Complete Refill Kit

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥10334

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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