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Corsodyl Mint Mouthwash - 600ml

Corsodyl Mint Mouthwash - 600ml

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  • ✔️ Kills bacteria that cause gum disease and gingivitis
  • ✔️ Reduces plaque build-up with twice-daily rinsing
  • ✔️ Chlorhexidine 0.2% provides hours of antibacterial action
  • ✔️ Suitable for adults and young people aged 12 and over
  • ✔️ Mint flavour supports consistent daily oral hygiene use

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What Is Corsodyl Mint Mouthwash and How Does It Help?

 

If your gums bleed when you brush, or your dentist has mentioned early signs of gum disease, you are not alone. Gum disease is extremely common in the UK — and it is one of the leading causes of tooth loss in adults. Corsodyl mint mouthwash is a clinically established antibacterial oral rinse that targets the bacteria responsible for gum disease, helping to restore and maintain a healthier mouth. Available in a generous 600ml bottle, it offers excellent value for a full course of treatment. You can find it alongside other dental products at Cured Pharmacy for just £8.79.

The active ingredient is chlorhexidine digluconate at a concentration of 0.2%. This is a well-studied antiseptic agent with a long track record in dentistry. It works by binding to oral tissues and releasing slowly over time, providing sustained antibacterial activity between rinses. The mint flavour makes the experience more pleasant than unflavoured alternatives, which can encourage consistent use — and consistency is everything when treating gum disease.

 

How Does Corsodyl Mouthwash Work in the Mouth?

 

Chlorhexidine digluconate is a cationic antiseptic. When you rinse with Corsodyl, it works through a sequence of actions:

  • It binds rapidly to the negatively charged surfaces of bacterial cell membranes.
  • It disrupts the integrity of those membranes, causing the bacteria to leak and die.
  • It adsorbs onto oral surfaces — teeth, gums, and mucosa — and is released gradually over several hours.
  • This sustained release effect, known as substantivity, continues to suppress bacterial regrowth between uses.
  • It reduces plaque formation, which is the primary driver of gingivitis and periodontal disease.

Because of this mechanism, Corsodyl is particularly effective during periods when normal brushing is difficult — for example, after oral surgery or during orthodontic treatment.

 

Who Should Use Corsodyl Mint Mouthwash?

 

This mouthwash is suitable for adults and children aged 12 and over. It is particularly useful for people who are experiencing or recovering from gum-related problems. Your dentist may recommend it as part of a broader oral hygiene plan. It is also available over the counter, so you do not need a prescription to purchase it.

Corsodyl mint mouthwash is well suited for:

  • People with gingivitis (inflamed, bleeding gums)
  • Those recovering from dental surgery or tooth extraction
  • Patients with mouth ulcers or oral infections
  • Individuals who wear dentures and need extra antibacterial protection
  • Anyone who has been advised by their dentist to improve their gum health

 

How Does Corsodyl Compare to Other Mouthwashes?

 

Feature Corsodyl Mint Mouthwash 0.2% Standard Fluoride Mouthwash
Active ingredient Chlorhexidine digluconate 0.2% Sodium fluoride
Primary use Gum disease, antibacterial Cavity prevention
Prescription required No (OTC) No (OTC)
Risk of staining Yes — with prolonged use Minimal

 

Is Corsodyl Mint Mouthwash Suitable for Long-Term Use?

 

Corsodyl mint mouthwash is designed for short-term therapeutic use, typically up to four weeks. Using it beyond this period without dental supervision is not recommended, as prolonged use can lead to tooth and tongue staining and may alter your sense of taste. If your symptoms persist after four weeks, speak to your dentist or GP rather than continuing independently.

Store the bottle below 25°C, away from direct sunlight, and keep it out of reach of children. If you are managing other aspects of your health alongside your oral care — such as looking after your oral health more broadly — Cured Pharmacy stocks a wide range of relevant products to support you.

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 Mint Mouthwash 600ml specifications
Treatment category Oral hygiene / Gum disease
Mechanism of action Disrupts bacterial cell membranes via chlorhexidine digluconate
Effective against Gingivitis, plaque, oral bacteria
Suitable for Adults and children aged 12 and over
Active ingredient Chlorhexidine digluconate 0.2%
Pack size 600ml
Strength 0.2% w/v
UK classification General Sale List (GSL)
Drug class Antiseptic / Antibacterial
Preparation Oral solution
Route of administration Oral rinse (do not swallow)

Specifications of Corsodyl Mint Mouthwash 600ml

 

What Is Corsodyl Mouthwash and What Is It Used For?

 

Corsodyl Mint Mouthwash 600ml is an antibacterial oral rinse containing chlorhexidine digluconate 0.2% w/v as its active ingredient. It is used to treat and help prevent gum disease (gingivitis), reduce plaque, manage mouth ulcers, and support oral hygiene following dental procedures. It is classified as a General Sale List (GSL) medicine in the UK, meaning it is available without a prescription. The NHS recognises chlorhexidine mouthwash as an effective treatment for gum disease and oral infections.

 

What Do You Need to Know Before Using Corsodyl Mouthwash?

 

Before using this product, read the following carefully. There are certain situations where you should not use Corsodyl or should seek advice first.

Do not use Corsodyl mouthwash if you:

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

Speak to your dentist, pharmacist, or GP before use if you:

  • Are pregnant or breastfeeding
  • Have open wounds or ulcers in the mouth that are worsening
  • Have a known sensitivity to any antiseptic products
  • Are already using other oral rinses or dental treatments

Drug interactions to be aware of:

  • Chlorhexidine may be inactivated by anionic compounds found in some toothpastes — wait at least 30 minutes after brushing before using this mouthwash
  • No significant systemic drug interactions are known at OTC doses

 

How Should You Use Corsodyl Mouthwash Correctly?

 

Using Corsodyl correctly is important to get the most benefit and reduce the risk of side effects such as staining. Follow these steps each time you use it:

  1. Measure 10ml of Corsodyl Mint Mouthwash using the cap or a measuring cup.
  2. Rinse the liquid around your mouth for one full minute — make sure it reaches all areas including between the teeth and along the gum line.
  3. Spit the liquid out completely. Do not swallow.
  4. Do not rinse your mouth with water immediately afterwards, as this reduces the effectiveness of the chlorhexidine.
  5. Avoid eating or drinking for at least 30 minutes after use.
  6. Wait at least 30 minutes after brushing your teeth before using the mouthwash.
Indication Age Group Dose Frequency
Gum disease / gingivitis Adults and children 12+ 10ml Twice daily
Mouth ulcers / oral infections Adults and children 12+ 10ml Twice daily
Post-dental surgery Adults (as directed by dentist) 10ml Twice daily

If you are unsure about dosing, or if you are using Corsodyl alongside other treatments from our ear, nose and throat range, speak to your pharmacist for personalised guidance.

 

What Are the Possible Side Effects of Corsodyl Mouthwash?

 

Like all medicines, Corsodyl 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 or reduction in taste sensation
  • Mild burning or tingling sensation in the mouth

Less common side effects:

  • Swelling of the parotid (salivary) glands
  • Mouth irritation or soreness
  • Desquamation (peeling) of the oral mucosa in sensitive individuals

Serious allergic reactions to chlorhexidine are rare but have been reported. Seek immediate medical attention if you experience swelling of the face, lips, or throat, difficulty breathing, or a sudden rash after use. The MHRA has issued guidance on the risk of hypersensitivity reactions to chlorhexidine-containing products.

 

How Should You Store Corsodyl Mouthwash?

 

Correct storage helps maintain the product's effectiveness and safety throughout its shelf life.

  • 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 pharmacist

If you are building a broader home health kit, you might also want to explore our first aid range for other essentials.

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 mint mouthwash online in the UK?

You can buy Corsodyl mint mouthwash online in the UK directly from Cured Pharmacy for £8.79 per 600ml bottle. No prescription is needed, as it is available over the counter as a General Sale List medicine. Simply add it to your basket and it will be dispatched quickly to your door.

How does Corsodyl mouthwash work in the mouth?

Corsodyl contains chlorhexidine digluconate 0.2%, which binds to bacterial cell membranes and disrupts them, killing the bacteria responsible for plaque and gum disease. It also adsorbs onto oral surfaces and is released slowly over several hours, providing sustained antibacterial activity. This property — known as substantivity — is what makes chlorhexidine particularly effective compared to many other antiseptic rinses.

How do I use Corsodyl mouthwash step by step?

Measure 10ml using the bottle cap, rinse it around your mouth for one full minute, then spit it out — do not swallow. Avoid rinsing with water immediately afterwards, as this reduces the effectiveness of the chlorhexidine. Wait at least 30 minutes after brushing your teeth before using the mouthwash, as some toothpaste ingredients can inactivate it.

What is the correct dose of Corsodyl mouthwash for adults?

The standard adult dose is 10ml, used as a mouth rinse twice daily — typically morning and evening. This applies to most indications including gingivitis, mouth ulcers, and post-surgical oral care. Always follow the instructions on the label or those given by your dentist.

When is the best time to use Corsodyl mouthwash?

The best times to use Corsodyl are in the morning and evening, ideally after brushing your teeth — but wait at least 30 minutes after brushing before rinsing. Using it at consistent times each day helps maintain the antibacterial effect throughout the day and night. Avoid eating or drinking for at least 30 minutes after use to allow the chlorhexidine to work effectively.

How long can you use Corsodyl mouthwash for?

Corsodyl is recommended for short-term use of up to four weeks unless your dentist advises otherwise. Prolonged use beyond this period increases the risk of tooth and tongue staining and may affect your sense of taste. If your symptoms have not improved after four weeks, book an appointment with your dentist rather than continuing to self-treat.

Does Corsodyl mouthwash stain your teeth?

Yes, brown staining of the teeth, tongue, and dental restorations is a well-known side effect of chlorhexidine mouthwash, particularly with regular or prolonged use. You can minimise staining by avoiding tea, coffee, red wine, and tobacco during your course of treatment. Staining is usually reversible and can be removed by a dental hygienist.

Can children use Corsodyl mouthwash?

Corsodyl mouthwash is suitable for children aged 12 and over when used under adult supervision. It is not recommended for children under 12 years of age. If your child has a dental concern, speak to your dentist or pharmacist about age-appropriate alternatives available in our dental products range.

Can I use Corsodyl mouthwash if I am pregnant or breastfeeding?

Corsodyl mouthwash is generally considered safe during pregnancy and breastfeeding when used as directed, as systemic absorption from an oral rinse is minimal. However, you should always consult your midwife, GP, or dentist before starting any new medicine during pregnancy. They can confirm it is appropriate for your individual circumstances.

What are the side effects of Corsodyl mouthwash and how do I manage them?

The most common side effects are tooth and tongue staining and a temporary change in taste, both of which usually resolve after stopping treatment. Less commonly, you may experience mild mouth irritation or swelling of the salivary glands. If you develop signs of an allergic reaction — such as facial swelling, difficulty breathing, or a rash — stop using the product immediately and seek urgent medical attention.

Who is eligible to use Corsodyl mouthwash?

Corsodyl mouthwash is suitable for most adults and young people aged 12 and over who have gum disease, mouth ulcers, or need post-surgical oral care. It is not suitable for anyone with a known allergy to chlorhexidine or any of the other listed ingredients. People with a history of severe allergic reactions to antiseptic products should seek dental advice before use.

What happens if I miss a dose of Corsodyl mouthwash?

If you forget to use Corsodyl at your usual time, simply use it as soon as you remember — unless it is nearly time for your next scheduled rinse, in which case skip the missed dose. Do not use a double dose to make up for a missed one. Consistency matters, so try to build it into your daily routine alongside brushing.

What are the alternatives to Corsodyl mouthwash?

Alternatives to Corsodyl include mouthwashes containing cetylpyridinium chloride, essential oils (such as those in Listerine), or hydrogen peroxide-based rinses. These are generally less potent antibacterially but may be more suitable for long-term daily use without the staining risk. You can explore a range of options in our oral health collection.

Can Corsodyl mouthwash interact with other medicines or products?

Chlorhexidine can be inactivated by anionic surfactants found in many toothpastes, which is why you should wait at least 30 minutes after brushing before rinsing. No significant systemic drug interactions are known at the doses used in this OTC product. If you are using any prescribed oral treatments, check with your pharmacist before combining them with Corsodyl.

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

Chlorhexidine remains one of the most extensively studied antiseptic agents in dentistry, with decades of clinical evidence supporting its effectiveness in reducing plaque and gingivitis. The NHS and dental guidelines continue to recommend it as a short-term adjunct to mechanical cleaning (brushing and flossing) for managing gum disease. Research also highlights the importance of not relying on it as a substitute for regular brushing and professional dental care.

How Should You Use Corsodyl Mint Mouthwash?

Using Corsodyl correctly makes a real difference to how well it works. It is not simply a case of swilling and spitting — the technique and timing matter. Follow these steps each time you use it to get the most benefit from your treatment.

Here is the recommended step-by-step method:

What Is the Correct Dose of Corsodyl Mint Mouthwash?

The dose is the same for all approved users — adults and young people aged 12 and over. There is no dose adjustment required based on body weight or age within this group, though children aged 12 to 15 should always be supervised by an adult during use.

When Is the Best Time to Use Corsodyl Mint Mouthwash?

The most effective routine is to use Corsodyl twice a day — once in the morning and once in the evening. Crucially, you should wait at least 30 minutes after brushing your teeth before using the mouthwash. This is because many toothpastes contain anionic surfactants (such as sodium lauryl sulphate) that can inactivate chlorhexidine if the two come into contact too soon.

Building your rinse into a consistent daily routine — perhaps after breakfast and before bed — helps ensure you do not miss doses and maintains the sustained antibacterial effect throughout the day.

How Long Can You Use Corsodyl Mint Mouthwash For?

Corsodyl Mint Mouthwash is intended for short-term therapeutic use, typically for a period of up to four weeks. This is sufficient for most cases of gingivitis and mouth ulcers. Using it for longer than four weeks without dental supervision is not recommended, as prolonged use increases the risk of tooth staining and may affect your sense of taste.

If your symptoms persist or worsen after four weeks, stop using the mouthwash and consult your dentist or GP. They can assess whether a longer course is appropriate or whether a different treatment is needed. Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Corsodyl Mouthwash?

The most frequently reported side effect of Corsodyl Mint Mouthwash is brown staining of the teeth, tongue, and dental restorations such as fillings and crowns. This occurs because chlorhexidine binds to proteins in the mouth and, over time, can discolour surfaces it comes into contact with. A temporary alteration or reduction in your sense of taste is also common, particularly in the first few days of use.

  • Brown or yellow staining of teeth, tongue, and dental work
  • Temporary change or reduction in taste sensation
  • Mild burning or tingling sensation in the mouth during or after rinsing

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 or heavy use, which is one of the reasons the product is recommended for short-term courses only.

  • Swelling or tenderness of the parotid (salivary) glands
  • Soreness or irritation of the oral mucosa (the lining of the mouth)
  • Desquamation — a peeling or shedding of the inner lining of the mouth — in particularly sensitive individuals
  • Dry mouth sensation

What Are the Serious Side Effects of Corsodyl Mouthwash?

Serious adverse reactions to Corsodyl are rare, but they do occur. The MHRA has issued guidance on the risk of hypersensitivity reactions — including anaphylaxis — associated with chlorhexidine-containing products. Although the risk from an oral rinse is lower than from products applied to broken skin or used in medical procedures, it is not zero.

Stop using Corsodyl immediately and seek urgent medical attention if you experience any of the following:

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

What Should You Do If You Experience Side Effects?

For mild side effects such as staining or taste changes, these will usually resolve on their own once you stop using the mouthwash. To minimise staining during your course of treatment, try to reduce your intake of tea, coffee, red wine, and tobacco, and maintain good brushing habits. Any residual staining can typically be removed by a dental hygienist at your next appointment.

If you are concerned about any side effect — even a mild one — do not hesitate to speak to your pharmacist. They can advise whether you should continue, reduce frequency, or stop treatment altogether.

Can Corsodyl Mouthwash Interact With Other Medicines?

Chlorhexidine is not known to cause significant systemic drug interactions when used as an oral rinse at OTC doses, as very little is absorbed into the bloodstream. However, it can be chemically inactivated by anionic compounds found in many toothpastes — particularly sodium lauryl sulphate. This is why you should always wait at least 30 minutes after brushing before using Corsodyl. If you are using any other prescribed oral treatments or medicated rinses, check with your pharmacist before combining them with this product. 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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