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Listerine Original Antiseptic Oral Care Mouthwash to Kill 99.9% of Germs That Cause Bad Breath, Plaque and Gingivitis, ADA-Accepted Mouthwash, Original Flavored Oral Rinse, 1.5 L

TLDR Review: "Listerine Original Mouthwash"

By ShopSavvy Team

Published: February 23rd, 2026

Pros

•Kills 99.9% of germs that cause bad breath, plaque, and gingivitis, providing powerful antiseptic protection.
•ADccepted, giving you confidence that it meets trusted dental health standards.
•Delivers a refreshing minty flavor that effectively freshens breath and leaves a clean, invigorating sensation.
•The mild original flavor is perfect for those who prefer a gentler mint rather than an intense blast.
•Large 1.iter bottle offers excellent long-term value, reducing frequent repurchases and saving money.
•Cosffective at just over 11¢ per ounce, making it a smart choice for budget-conscious oral hygiene.
•Convenient packaging with a secure cap and easo-use dispenser.
•Noticeable improvement in fresh breath reported by many users, with some even mentioning positive reactions from their pets.
•Highly rated with a perfect tar score, reflecting overall customer satisfaction and trust in the product.

Cons

•Some users find the original flavor milder than expected and might want a stronger minty taste.
•A few customers reported receiving the wrong flavor (blue instead of the original brown), leading to disappointment due to inaccurate product photos or listing.
•May feel too mild for those who crave that signature intense Listerine burn.

Bottom Line

Listerine Original Antiseptic Mouthwash is a dependable classic that delivers strong germ-killing power with a milder, more approachable mint flavor. Its large 1.5-liter size and ADA acceptance make it an excellent value for those wanting effective oral care in bulk without breaking the bank. However, if you prefer an extra strong minty kick, you might want to explore other Listerine varieties with a bolder flavor profile. Otherwise, this original formula is a solid, cost-effective choice for maintaining fresh breath and oral health.

Lowest at Amazon

$53.94 at Amazon

Lowest at any Popular Retailer

$7.98 at Walmart

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 43 retailers to give you the short version.