What is the per centage of peroxide

Hydrogen Peroxide 9.5%. Compare to 10% for {Professional Effects, Vivid, 1 Hour Express}; total amount of peroxide on each strip also matters.

Can you drink coffee while doing this? Or do you have to give up the yummy caffeine?

I'm afraid it's a bad idea to drink coffee while using the whitestrips. I for instance only use them once a week, but as I can't and don't want to give up coffee, I always brush my teeth right after I've had my last sip (literally!).

This is very individual dependent, but my wife and I did these prior to our wedding and I never went over the recommended time, whereas my wife would routinely go 20 min over. I never had any pain or discomfort; she would frequently mention sensitivity to hot/cold food. That said, her teeth sensitivity went away a week after finishing them.

Must I use all of the pouches in order to see results? Or may I use a few and share the rest with someone else?

I saw results in my teeth after 3 days and even more after a week. If you're happy with your results after a week then you could definitely share.

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3DWhitestrips 1 Week Smile Transformation At-Home Teeth Whitening Kit, 14 Treatments, 8 Levels Whiter in 1 Week

Product ID: 668747

Details

Active Ingredients
Hydrogen
Brand
Crest
Item Form
Strip
Number of Items
28
Product Benefits
Whitening

⏳14-day, 28-strip easy regimen

⚡8 levels whiter in 2 weeks

🦷Enamel-safe dentist-grade formula

¥11188

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Transform your smile, transform your confidence!

NO SLIP COMFORT FIT - Advanced Seal Technology keeps strips firmly in place so you can talk and sip water hands-free.
SMILE BRIGHTER FASTER - Achieve up to 8 shades whiter teeth in just 2 weeks—because your time is valuable.
SAFE FOR SENSITIVE TEETH - Enamel-safe formula designed to minimize discomfort while delivering visible results.
DENTIST TRUSTED WHITENING - Uses the same hydrogen peroxide formula trusted by dental professionals and ADA accepted.
ERASE 15 YEARS OF STAINS - Powerful enough to remove coffee, wine, and tobacco stains that have built up over a decade.

Crest 3D Whitestrips Glamorous White is a professional-grade, enamel-safe teeth whitening kit featuring 28 no-slip strips for a 14-day treatment. Clinically proven to whiten teeth up to 8 shades and remove over 15 years of tough stains, it uses the same hydrogen peroxide formula dentists recommend and is ADA accepted. Perfect for busy professionals seeking a convenient, effective smile upgrade without sensitivity trade-offs.

Specifications

ASIN	B001OOLLVS
ASIN	B001OOLLVS
Active Ingredients	Hydrogen Peroxide
Age Range Description	Adult
Best Sellers Rank	#10,005 in Health & Household ( See Top 100 in Health & Household ) #11 in Teeth Whitening Strips
Brand Name	Crest
Customer Reviews	4.5 4.5 out of 5 stars (15,671)
Date First Available	February 24, 2009
Flavor	Unflavored
Global Trade Identification Number	00889714000052
Included Components	Applicator
Is Discontinued By Manufacturer	No
Item Dimensions	1.64 x 5.5 x 5.65 inches
Item Form	Strip
Item Weight	1.6 ounces
Item model number	3700020179
Manufacturer	Procter & Gamble
Manufacturer	Procter & Gamble
Manufacturer Part Number	3700020179
Model Number	3700020179
Number of Items	28
Package Size Name	28 Strips
Product Benefits	Whitening
Product Dimensions	1.64 x 5.5 x 5.65 inches; 1.6 ounces
Set Name	Glamorous White 28 Strips
UPC	889714000052
Unit Count	28 Count

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