how long do I leave trays on

I would leave on for no more than 30 minutes. And be VERY careful not to put too much product in tray. You do NOT want it to overflow where it will touch your gums. It will burn. I have used 20% solution product previously and needed to leave on for an hour or more but did I not have the immediate loan to gums. All of these will cause some gum irritation and tooth sensitivity after use. Ah the price of whiter teeth

A question for the supplier, as someone said before, the consistency is not the same as remembered. do you keep these refrigerated in your facility?

I haven’t purchased this product in the past year. With my previous purchase I’d say I was satisfied however the 35% solution is very strong. You will likely see irritation of gums and teeth sensitivity although that only lasted a day or two. It definitely works and whitens teeth but I might consider buying the lower % solution next time and using it for longer period

what is the expiration date? do they sealed in package as picture?

Date is on package ordered. You may inquire from the particular vendor you order from about freshness date. I've never received a batch from various vendors with an out-of-date expiry date. My ORDER is always fresh and very much sealed in secured packaging. Great product. Hope this helps.

What's the expiration date?

I can't remember if this product had one. I want to say it did but not sure. Made my teeth whiter though. I order from this vendor often. Need to reorder. Sorry couldn't be more helpful. You can always email the vendor for that information before you order.

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Opalescence PF Mint Pack of 8 (8 Gels)

Product ID: 339268244

Details

Active Ingredients
Carbamide
Brand
Opalescence
Item form
Gel
Number of Items
8
Product benefits
Whitening

⏳Sustained 30-min Whitening Release

🌿Refreshing Mint Flavor Boost

🦷35% Carbamide Peroxide Power

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R2520

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Brighten Boldly, Smile Confidently 🦷

BULK PACK CONVENIENCE - 8 syringes per pack means you’re stocked for months of confident, radiant smiles without frequent reordering.
FRESH MINT EXPERIENCE - Mint flavor enhances comfort during treatment, making whitening a refreshing ritual, not a chore.
PRECISION APPLICATION - Each syringe provides approximately one 30-minute treatment, ensuring controlled and effective use with custom trays only.
PROFESSIONAL GRADE WHITENING - 35% carbamide peroxide delivers powerful, consistent bleaching results for a visibly brighter smile.
TRUSTED BY PROS LOVED BY USERS - Clinically formulated and highly rated, this gel is a must-have for those serious about professional-level teeth whitening.

Opalescence PF Mint Pack of 8 contains eight 8-gram syringes of 35% carbamide peroxide whitening gel designed for use with custom trays. Each syringe delivers a sustained 30-minute treatment with a refreshing mint flavor, offering professional-grade whitening results. Ideal for adults seeking consistent, effective teeth whitening at home, this pack ensures long-lasting supply and trusted performance.

Specifications

ASIN	B0010DKTAW
ASIN	B0010DKTAW
Active Ingredients	Carbamide Peroxide
Age Range Description	Adult
Best Sellers Rank	#121,696 in Health ( See Top 100 in Health ) #97 in Teeth Whitening Gels
Brand Name	Opalescence
Customer Reviews	4.1 4.1 out of 5 stars (356)
Customer reviews	4.1 4.1 out of 5 stars (356)
Flavor	Mint
Included Components	Teeth Whitening Gel
Is Discontinued By Manufacturer	No
Item Dimensions	10.2 x 10.2 x 15.2 centimeters
Item Form	Gel
Item Weight	4 Ounces
Item model number	B0010DKTAW
Manufacturer	Opalescence
Manufacturer	Opalescence
Manufacturer Part Number	B0010DKTAW
Material Type Free	Titanium Dioxide Free
Model Number	B0010DKTAW
Number of Items	8
Product Benefits	Whitening
Product Dimensions	10.16 x 10.16 x 15.24 cm; 113.4 g
Unit Count	8 Count

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