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Corsodyl 0.2% Gum Problem Alcohol Free Mint Mouthwash

Corsodyl 0.2% Gum Problem Alcohol Free Mint Mouthwash

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  • ✔️ Kills gum disease bacteria with 0.2% chlorhexidine digluconate
  • ✔️ Reduces plaque and relieves bleeding gums effectively
  • ✔️ Alcohol-free formula gentle on sensitive mouths
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Clinically proven antiseptic action lasts hours after rinsing

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Is Corsodyl Alcohol Free Mouthwash Right for Your Gums?

 

Gum problems are more common than most people realise. Bleeding when you brush, soreness around the gumline, or persistent bad breath — these are all signs that your gums may need some extra attention. Corsodyl alcohol free mouthwash is a clinically proven oral rinse containing 0.2% chlorhexidine digluconate, an antiseptic that targets the bacteria responsible for gum disease and plaque build-up. At just £5.79, it offers an accessible, pharmacy-trusted option for anyone dealing with gum problems. You can explore the full range of products in our oral health collection if you're looking for complementary dental care products.

Gum disease — clinically known as gingivitis in its early stages — affects a significant proportion of UK adults. The NHS notes that most adults in the UK have some degree of gum disease, and it remains one of the leading causes of tooth loss. Catching it early and treating it consistently makes a real difference. This mouthwash is alcohol-free, which means it's gentler on the mouth's soft tissues and suitable for a wider range of people, including those who avoid alcohol for personal, medical, or religious reasons.

 

How Does Corsodyl 0.2% Mouthwash Work?

 

The active ingredient, chlorhexidine digluconate, is a broad-spectrum antiseptic that has been used in dentistry for decades. It works through a well-understood mechanism that targets bacterial cell membranes directly.

  • Chlorhexidine binds to the surfaces of teeth, gums, and oral mucosa after rinsing.
  • It disrupts the outer membrane of bacterial cells, causing them to leak and die.
  • Because it adheres to oral surfaces, it continues to act for several hours after use — a property known as substantivity.
  • Regular use reduces plaque accumulation and helps resolve the inflammation associated with gingivitis.

This sustained action is what sets chlorhexidine apart from many other antiseptic rinses. It doesn't just work while you're rinsing — it keeps working after you spit it out.

 

Who Should Use Corsodyl Alcohol Free Mouthwash?

 

This mouthwash is suitable for adults and young people aged 12 and over who are experiencing signs of gum disease or want to support their oral hygiene routine during a period of gum sensitivity. It's particularly useful in the following situations:

  • Bleeding or swollen gums when brushing or flossing
  • Gum soreness or early-stage gingivitis
  • Post-dental procedure care, such as after a scale and polish
  • Individuals who cannot brush effectively due to mouth pain or recent oral surgery

Because it's alcohol-free, it's also a good choice for people with dry mouth conditions, those who find alcohol-based rinses irritating, or anyone who avoids alcohol for any reason.

 

How Does Corsodyl Compare to Other Gum Mouthwashes?

 

Feature Corsodyl 0.2% Alcohol Free Standard Antiseptic Mouthwash (e.g. Listerine)
Active ingredient Chlorhexidine digluconate 0.2% Essential oils (thymol, eucalyptol, menthol)
Alcohol content None Up to 26.9% in some variants
Clinically proven for gum disease Yes Partially — for plaque reduction
Suitable for sensitive mouths Yes Variable — alcohol may cause irritation

 

Is Corsodyl Alcohol Free Mouthwash Suitable for Long-Term Use?

 

Corsodyl alcohol free mouthwash is designed for short-term therapeutic use, typically up to four weeks. It is not intended as a permanent replacement for your regular oral hygiene routine. Prolonged use of chlorhexidine can lead to brown staining of teeth and tongue, and may temporarily alter your sense of taste. If your gum symptoms haven't improved after a month of use, it's important to see your dentist rather than continuing indefinitely.

For those managing ongoing dental health alongside other health concerns, it's worth knowing that Cured Pharmacy also stocks a wide range of dental products to support your complete oral care routine. Always store this mouthwash below 25°C, away from direct sunlight, and keep it out of reach of children.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Corsodyl 0.2% Gum Problem Alcohol Free Mint Mouthwash specifications
Treatment category Oral health / Gum disease
Active ingredient Chlorhexidine digluconate 0.2%
Mechanism of action Antiseptic — disrupts bacterial cell membranes
Effective for Gingivitis, plaque, bleeding gums
Suitable for Adults and children aged 12 and over
Strengths 0.2% chlorhexidine digluconate
UK classification General Sale List (GSL)
Drug class Antiseptic / Antimicrobial
Preparation Oral rinse solution
Route of administration Oral (rinse and spit)
Flavour Mint
Alcohol content None

Specifications of Corsodyl 0.2% Gum Problem Alcohol Free Mint Mouthwash

 

What Is Corsodyl 0.2% Mouthwash and What Is It Used For?

 

Corsodyl 0.2% Gum Problem Alcohol Free Mint Mouthwash is an antiseptic oral rinse used to treat and prevent gum disease (gingivitis). It contains chlorhexidine digluconate, which kills the bacteria that cause plaque, gum inflammation, and bleeding. It is used as a short-term treatment — typically alongside, or temporarily in place of, regular brushing — to bring gum disease under control. The NHS advises that good oral hygiene, including regular brushing and flossing, is the foundation of gum disease prevention, and this mouthwash supports that routine during flare-ups or periods of increased sensitivity.

 

What Do You Need to Know Before Using Corsodyl Mouthwash?

 

Before using this product, read the following carefully. Not everyone is suitable for chlorhexidine-based rinses, and there are some important warnings to be aware of.

Do not use this product if you:

  • Are allergic to chlorhexidine digluconate or any other ingredient in the formulation
  • Are under 12 years of age
  • Have had a previous severe allergic reaction (anaphylaxis) to chlorhexidine

Speak to your pharmacist or dentist before use if you:

  • Are pregnant or breastfeeding
  • Have any open wounds or ulcers in the mouth
  • Have a known sensitivity to any oral care ingredients
  • Are using any other prescribed oral treatments

Drug interactions to be aware of:

  • Chlorhexidine may be inactivated by some toothpaste ingredients, particularly sodium lauryl sulphate (SLS). Leave at least 30 minutes between brushing and using this mouthwash.
  • No significant systemic drug interactions are known at OTC doses, as chlorhexidine is not meaningfully absorbed through the oral mucosa.

 

How Should You Use Corsodyl 0.2% Mouthwash Correctly?

 

Using this mouthwash correctly is important to get the most benefit and reduce the risk of staining. Follow these steps each time you use it:

  1. Measure 10 ml of the mouthwash using the cap or a measuring cup.
  2. Rinse the solution around your mouth for one full minute.
  3. Make sure the liquid reaches all areas — between teeth, along the gumline, and around the back of the mouth.
  4. Spit the mouthwash out completely. Do not swallow.
  5. Do not eat, drink, or rinse your mouth with water for at least 30 minutes after use.
  6. Wait at least 30 minutes after brushing your teeth before using this rinse.
Indication Age Group Dose Frequency
Gum disease / gingivitis Adults and children 12+ 10 ml Twice daily
Post-dental procedure care Adults and children 12+ 10 ml Twice daily (as directed by dentist)
Children under 12 Not recommended

 

What Are the Possible Side Effects of Corsodyl Mouthwash?

 

Like all medicines, Corsodyl mouthwash can cause side effects, although not everyone experiences them. Being aware of what to look out for helps you use the product safely.

Common side effects:

  • Brown staining of teeth, tongue, and dental restorations (fillings, crowns)
  • Temporary alteration in taste sensation
  • Mild mouth irritation or a burning sensation

Less common side effects:

  • Swelling of the parotid (salivary) glands
  • Mouth ulcers or soreness with prolonged use
  • Desquamation (peeling) of the oral mucosa in sensitive individuals

Serious allergic reactions to chlorhexidine are rare but have been reported. Symptoms can include rash, swelling of the face or throat, difficulty breathing, or a sudden drop in blood pressure. If you experience any of these, stop using the product immediately and seek urgent medical attention. You can also find useful information about managing related health concerns in our ear, nose and throat collection if you experience any throat-related symptoms.

 

How Should You Store Corsodyl Alcohol Free Mouthwash?

 

Correct storage keeps the product effective and safe for the duration of use. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the bottle tightly closed when not in use
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the bottle
  • Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacy

If you're building a broader health routine, Cured Pharmacy also stocks a range of vitamins and supplements that may support your overall wellbeing alongside your oral health care.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Corsodyl alcohol free mouthwash online in the UK?

You can buy Corsodyl 0.2% Alcohol Free Mint Mouthwash directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.79. It's available without a prescription and can be delivered to your door. Browse our full oral health collection for more dental care options.

How does Corsodyl 0.2% mouthwash work in the mouth?

Corsodyl contains chlorhexidine digluconate, an antiseptic that binds to the surfaces of teeth and gums after rinsing. It disrupts the outer membranes of bacteria, killing them and reducing plaque build-up. Because it adheres to oral surfaces, it continues to act for several hours after you spit it out — a property called substantivity.

How do I use Corsodyl mouthwash step by step?

Measure 10 ml using the bottle cap, rinse it around your entire mouth for one full minute, then spit it out — do not swallow. Use it twice daily, and wait at least 30 minutes after brushing before rinsing, as some toothpaste ingredients can reduce its effectiveness. Avoid eating or drinking for 30 minutes after use.

What is the correct dose of Corsodyl 0.2% mouthwash for adults?

The standard dose for adults and children aged 12 and over is 10 ml, used as a mouth rinse twice daily. Do not exceed this dose, and do not swallow the solution. If your dentist has given you specific instructions, follow those instead.

How long can you use Corsodyl mouthwash for?

Corsodyl mouthwash is intended for short-term use, typically up to four weeks. Prolonged use beyond this period increases the risk of tooth and tongue staining and may affect your sense of taste. If your gum symptoms haven't resolved after a month, see your dentist for a professional assessment.

Does Corsodyl alcohol free mouthwash stain teeth?

Yes, chlorhexidine is known to cause brown staining of teeth, the tongue, and dental restorations such as fillings and crowns, particularly with prolonged use. The staining is usually reversible and can be minimised by avoiding tea, coffee, red wine, and coloured foods during treatment. Your dentist can remove any staining during a routine scale and polish.

What are the side effects of Corsodyl 0.2% mouthwash?

The most common side effects are tooth and tongue staining and a temporary change in taste. Less commonly, some people experience mild mouth irritation, swollen salivary glands, or peeling of the mouth lining. Serious allergic reactions are rare but possible — stop use immediately and seek medical help if you develop swelling, rash, or difficulty breathing.

How do I manage the side effects of Corsodyl mouthwash?

To reduce staining, avoid strongly coloured food and drinks during your course of treatment and maintain regular dental check-ups. If you experience taste changes, these usually resolve once you stop using the mouthwash. For any persistent or concerning side effects, speak to your pharmacist or dentist promptly.

Who is eligible to use Corsodyl alcohol free mouthwash?

This mouthwash is suitable for adults and young people aged 12 and over who have signs of gum disease, such as bleeding, swollen, or sore gums. It is not suitable for children under 12. People with a known allergy to chlorhexidine should not use this product. If you are pregnant, breastfeeding, or have any underlying health conditions, speak to your pharmacist or GP before use.

Is Corsodyl mouthwash safe to use during pregnancy?

Corsodyl mouthwash is generally considered safe during pregnancy when used as directed, as chlorhexidine is not significantly absorbed through the oral mucosa. However, you should always consult your midwife, GP, or pharmacist before starting any new medicine or oral health product during pregnancy or breastfeeding.

What is the difference between Corsodyl with alcohol and without alcohol?

Both versions contain the same active ingredient — chlorhexidine digluconate 0.2% — and are equally effective at treating gum disease. The alcohol-free version is gentler on the mouth's soft tissues and is suitable for people who avoid alcohol for medical, religious, or personal reasons. It is also less likely to cause a burning sensation in people with sensitive mouths or mouth ulcers.

Can I use Corsodyl mouthwash after tooth extraction or oral surgery?

Corsodyl mouthwash is sometimes recommended by dentists after tooth extraction or oral surgery to reduce the risk of infection and support healing. Always follow your dentist's specific instructions regarding when to start using it after a procedure, as rinsing too soon after extraction may disturb the blood clot. Do not use it without dental guidance in the immediate post-operative period.

What happens if I accidentally swallow Corsodyl mouthwash?

Swallowing a small amount accidentally is unlikely to cause serious harm in adults, but the mouthwash is not intended to be ingested. If a child swallows a significant amount, contact NHS 111 or your nearest A&E immediately. Always keep the bottle out of reach of children and store it safely after use.

What are the alternatives to Corsodyl mouthwash for gum disease?

Alternatives include other antiseptic mouthwashes containing essential oils (such as Listerine), or fluoride-based rinses for general oral hygiene maintenance. However, chlorhexidine remains the most clinically studied antiseptic for treating gingivitis. You can browse our dental products collection for a range of oral health options. Always speak to your dentist if you're unsure which product is right for you.

What does the latest research say about chlorhexidine mouthwash for gum disease?

Chlorhexidine digluconate has been extensively studied and remains one of the most well-evidenced antiseptics for reducing plaque and treating gingivitis. Clinical evidence consistently supports its effectiveness as a short-term adjunct to mechanical oral hygiene. The NHS and dental guidelines continue to recommend it as a first-line antiseptic rinse for gum disease management.

How Should You Use Corsodyl 0.2% Alcohol Free Mouthwash?

Using Corsodyl correctly makes a real difference to how well it works. It's not just a case of swilling and spitting — the technique and timing matter. Follow these steps each time you use it:

What Is the Correct Dose of Corsodyl Alcohol Free Mouthwash?

The dose is the same for all eligible users — 10 ml twice daily. This product is not suitable for children under 12 years of age. Always use the measuring cap to ensure accuracy rather than estimating.

When Is the Best Time to Use Corsodyl Alcohol Free Mouthwash?

The most effective routine is to use Corsodyl twice a day — once in the morning and once in the evening. Because you need to wait at least 30 minutes after brushing before using the rinse, many people find it easiest to brush first, then use the mouthwash 30 minutes later. Consistency is key. Using it at the same times each day helps you build the habit and ensures the chlorhexidine maintains its protective effect throughout the day and overnight.

How Long Can You Use Corsodyl Alcohol Free Mouthwash For?

This mouthwash is designed for short-term use — typically up to four weeks. It is not a permanent replacement for brushing and flossing, and it should not be used indefinitely without dental supervision. If your gum symptoms improve within the treatment period, continue with a thorough daily oral hygiene routine to maintain the results. If symptoms persist or worsen after four weeks of use, stop using the product and make an appointment with your dentist, as further professional treatment may be needed.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

What Are the Most Common Side Effects of Corsodyl Mouthwash?

The most frequently reported side effect of Corsodyl 0.2% mouthwash is brown staining of the teeth, tongue, and dental restorations such as fillings and crowns. This happens because chlorhexidine binds to surfaces in the mouth and, over time, can discolour them — particularly when combined with tannin-rich foods and drinks. The staining is cosmetic rather than harmful and is usually reversible with professional cleaning.

  • Brown or yellow staining of teeth and tongue
  • Temporary alteration or reduction in taste sensation
  • Mild burning or tingling sensation in the mouth

What Are the Less Common Side Effects of Corsodyl Mouthwash?

Some people experience side effects that are less frequent but still worth knowing about. These tend to occur more often with prolonged use or in people with particularly sensitive oral tissues.

  • Swelling of the parotid salivary glands (felt as puffiness near the jaw)
  • Peeling or shedding of the mouth lining (desquamation)
  • Mouth ulcers or increased oral soreness
  • Dry mouth sensation

What Are the Serious Side Effects of Corsodyl Mouthwash?

Serious reactions to chlorhexidine are rare, but they have been documented. Anaphylaxis — a severe, life-threatening allergic reaction — has been reported in a small number of cases. This is more likely in people who have had a previous allergic reaction to chlorhexidine. If you experience any of the following after using this product, stop immediately and call 999 or go to your nearest A&E:

  • Sudden swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Skin rash, hives, or widespread redness
  • Dizziness, rapid heartbeat, or collapse

What Should You Do If You Experience Side Effects of Corsodyl Mouthwash?

For mild side effects such as staining or taste changes, these usually resolve on their own once you finish the course of treatment. To minimise staining, avoid tea, coffee, red wine, and strongly coloured foods during use, and attend regular dental appointments for professional cleaning. If you experience persistent mouth soreness, swollen glands, or any side effect that concerns you, stop using the mouthwash and speak to your pharmacist or dentist as soon as possible.

Can Corsodyl Mouthwash Interact With Other Medicines?

Chlorhexidine is not significantly absorbed through the oral mucosa at the doses used in this mouthwash, so systemic drug interactions are not a known concern. However, some toothpaste ingredients — particularly sodium lauryl sulphate (SLS) — can inactivate chlorhexidine if used at the same time. Always leave at least 30 minutes between brushing and using this mouthwash. If you are using any other prescribed oral treatments or mouth gels, speak to your pharmacist before combining them with Corsodyl.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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