ADA Accepted Water Flossers

COSLUS E40 10-Level Dial Pressure Control Cordless Water Flosser
Sale price $44.99 USD
Regular price $99.99 USD
Colors
COSLUS C20 Dual Stream® Cordless Water Flosser
Regular price From $42.99 USD
Colors
COSLUS C51 Retractable-Tip Cordless Water Flosser
Regular price From $35.99 USD
Colors
COSLUS C50 Comfort-Control Cordless Water Flosser
Regular price From $33.99 USD
Colors

Need Help Choosing?

Compare models or get help finding the right water flosser for your routine.

Why ADA Acceptance Matters

Promotion banner

Trusted by Dental Experts

Evaluated by the American Dental Association through rigorous scientific review.

Promotion banner

Safety Evaluated

Carefully evaluated to meet ADA requirements for safe oral care.

Promotion banner

Effectiveness Evaluated

Scientific evidence supports its accepted oral care benefits.

Promotion banner

90+ Years of ADA Guidance

Founded in 1859, the ADA has guided oral care choices through its Seal since 1931.

Compare Water Flossers

Swipe horizontally to compare all products.

Price
$44.99 $99.99
$42.99
$36.99
$35.99
Best For
Sensitive Gums & Precision Control
Everyday Cleaning
Flexible Family Care
Travel & Small Spaces
Cleaning Settings
10-Level Dial Control
4 Cleaning Modes
4 Cleaning Modes
3 Cleaning Modes
Water Tank
300 mL
300 mL
270 mL
300 mL
ADA Accepted
✓
✓
✓
✓
Warranty
2-Year
2-Year
2-Year
2-Year
Accessories
Standard Jet Tip*2
Orthodontic Tip*1
Periodontal Jet Tip*1
Tongue Cleaner Tip*1
Standard Jet Tip*2
Orthodontic Tip*1
Periodontal Jet Tip*1
Tongue Cleaner Tip*1
Standard Jet Tip*2
Orthodontic Tip*1
Periodontal Jet Tip*1
Standard Jet Tip*2
Orthodontic Tip*1
Tongue Cleaner Tip*1
ADA Water Flosser FAQs

Common Questions

Learn what ADA Acceptance means, which COSLUS water flossers have earned it, and how to find the right fit.

What does ADA Accepted mean?

It means the American Dental Association has reviewed scientific evidence and found that the product meets its requirements for safety and effectiveness for the stated benefits.

What benefits were evaluated for COSLUS water flossers?

The ADA states that the accepted COSLUS product is safe and has shown effectiveness in removing plaque and helping to prevent or reduce gingivitis when used as directed.

Which COSLUS water flossers are ADA Accepted?

This collection features four ADA Accepted models: E40, C20, C50, and C51. Compare their features below to find the right fit for your routine.

How can I verify the ADA Acceptance?

You can view the COSLUS listing on the ADA’s official website, including the specific Seal statement.

Do I still need to brush if I use a water flosser?

Yes. Brush twice a day and clean between your teeth daily. A water flosser is one option for cleaning between teeth; your dentist can help you choose the method that suits you.