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Colgate Peroxyl Antiseptic Mouthwash Review: Fast, gentle relief for mouth and gum irritations?

Colgate Peroxyl Antiseptic Mint Flavour 300ml Mouthwash, Relieves Minor Mouth and Gum Irritations, (Pack of 1)
4.5
[Oxygenating Cleansing Action]  Kills bacteria, prevents spread, and flushes out debris and plaque.
[Antibacterial Against Anaerobes]  Targets anaerobic bacteria responsible for bad breath and gum issues.
[Reduces Gum Inflammation]  Clinically proven to lower gum inflammation and improve oral health.
[Relieves Minor Irritations]  Soothes minor mouth and gum irritations for comfort and faster healing.
[Alcohol-Free Hydrogen Peroxide]  Contains 1.5% hydrogen peroxide for effective cleaning without alcohol sting.
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Colgate Peroxyl Antiseptic Mouthwash is a drugstore mouthwash designed to relieve minor mouth and gum irritations using an oxygenating cleansing action. A gentle, alcohol-free mint formula soothes ulcers without a burning sting and leaves the mouth feeling clean. Is it the right choice for someone needing effective, everyday gentle care?

⚡ At a Glance
  • Cleansing Action: Oxygenating action targets bacteria and helps flush out debris and plaque
  • Best for: People with minor mouth ulcers, gum irritation or sensitive mouths
  • Not ideal for: Treating severe oral infections or cosmetic whitening needs

Oxygenating cleansing action uses 1.5% hydrogen peroxide to target anaerobic bacteria. Alcohol-free formula delivers gentle antiseptic care while helping to reduce gum inflammation.


Fast relief for mouth ulcers – Thanks to 1.5% hydrogen peroxide

Hydrogen peroxide releases oxygen in contact with oral tissues, which helps dislodge debris and reduces bacterial load. The oxygenating action targets anaerobic bacteria commonly associated with minor oral irritations.

Rapid easing of discomfort helps mouth ulcers and minor gum irritations feel less painful, making eating and speaking more comfortable.

Gentle daily care – With an alcohol-free mint formula

Absence of alcohol avoids the sting associated with many antiseptics, while mint flavour gives a clean, fresh sensation. The formulation is intended to be milder on sensitive tissues.

Comfortable rinsing without a painful burning sensation makes the rinse suitable for those with sensitive mouths or sore areas.

Supports gum health – With antibacterial action against anaerobic bacteria

Antibacterial activity focuses on anaerobic bacteria that contribute to gum inflammation, and clinical testing supports reduction in gum swelling. Cleansing action also helps remove plaque and food particles.

Helps control bacteria that can aggravate gums, so regular use supports reduced inflammation and a healthier mouthfeel.

✨ The 4 Key Reasons for Colgate Peroxyl Antiseptic Mouthwash
  1. Fast-acting relief – noticeably soothes mouth ulcers and minor gum pain within hours
  2. Alcohol-free formula – avoids burning sensation for sensitive mouths during rinsing
  3. Clinically proven – helps reduce gum inflammation, supporting healthier gums over time
  4. Debris-flushing action – rinses away plaque and food residues for cleaner mouthfeel
📋 Technical Details at a Glance
  • Brand: Colgate
  • Product type: Antiseptic mouthwash
  • Volume: 300 ml
  • Active ingredient: 1.5% hydrogen peroxide
  • Alcohol content: Alcohol-free
❓ Frequently Asked Questions

Q: Is the rinse alcohol-free?

A: The formula is alcohol-free and contains 1.5% hydrogen peroxide as the active antiseptic.

Q: What sort of mouth issues does the rinse help with?

A: The rinse relieves minor mouth and gum irritations, including mouth ulcers, and has an antibacterial effect on anaerobic bacteria that can contribute to gum inflammation.

Q: Is the formula suitable for sensitive mouths?

A: User reports highlight a gentle, non-burning sensation, making the alcohol-free formulation suitable for people with sensitive or sore mouths.

🏆 Our Verdict

Suitable for people with minor mouth ulcers, gum irritation or sensitive mouths who need gentle antiseptic care. Oxygenating action with 1.5% hydrogen peroxide combined with an alcohol-free mint formula gives fast relief and supports reduced gum inflammation. Affordable, dentist-recommended reputation suggests good everyday value for long-term oral-care needs.