How long can you leave 20% on???

I have no problem leaving it on 4-5 hours. I moved up to 20% after years of using the 15% overnight.

Join PRO & Unlock Exclusive Perks!

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2

Product ID: 597930728

Secure Transaction

Details

Brand
ULTRADENT
Active Ingredients
Carbamide
Product benefits
Teeth
Item form
Gel
Number of Items
4

⏳Up to 10 Shades Whiter in 7 Days

💎20% Carbamide Peroxide Power

🦷4x 1.2ml Syringes for Precise Application

Description

✨ Brighten your smile, boost your confidence! ✨

NO LED LIGHT NEEDED - Effortless whitening with carbamide peroxide gel—compatible with Invisalign & custom trays.
AWARD WINNING QUALITY - Over 50 teeth whitening awards and 100 million smiles brightened worldwide.
FAST VISIBLE RESULTS - Whiten teeth up to 10 shades in just one week with 2-4 hours daily wear.
SAFE TOOTH FRIENDLY FORMULA - Gluten-free, kosher, and sweetened with xylitol to help reduce tooth decay risk.
PROFESSIONAL LEVEL WHITENING AT HOME - Trusted by 25,000+ dental pros and backed by 30+ years of expertise.

Opalescence 20% Teeth Whitening Refill Kit delivers professional-grade whitening with carbamide peroxide gel in easy-to-use syringes. Designed for 2-4 hours daily wear, it safely lifts stains and whitens teeth up to 10 shades in 7 days without the need for LED lights. Compatible with Invisalign and custom trays, this gluten-free, xylitol-sweetened formula is trusted by dental professionals and backed by decades of expertise.

Specifications

Units	4.8 Milliliters
Brand	ULTRADENT
Format	Gel
Age Range Description	Adult

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

734 kr

Duties & taxes incl.

Denmarkstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews