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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Crest 3D Whitestrips, 1 Week Smile Transformation, Whitestrips 3D White, Teeth Whitening Strip Kit, 14 Treatments (Each with 1 Upper/1 Lower), 28 Strips

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

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¥10314

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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	#9,554 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 (15,661)
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	0.1 Pounds
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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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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¥10314

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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