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CB12 Green Mild Mint-Menthol Mouthwash - 250ml

CB12 Green Mild Mint-Menthol Mouthwash - 250ml

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  • ✔️ Neutralises bad breath at source, not just masks it
  • ✔️ Provides up to 12 hours of fresh breath protection
  • ✔️ Gentle mild mint-menthol flavour ideal for sensitive mouths
  • ✔️ Alcohol-free formula suitable for daily use
  • ✔️ Contains fluoride to help protect tooth enamel simultaneously

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What Is CB12 Mouthwash and Does It Really Work?

 

Bad breath — clinically known as halitosis — affects a significant number of people at some point in their lives, and it can knock your confidence in social and professional situations. CB12 mouthwash is a clinically developed oral rinse designed specifically to neutralise the volatile sulphur compounds (VSCs) that cause bad breath, rather than simply masking odour with fragrance. The CB12 Green Mild Mint-Menthol variant is particularly suited to those who prefer a gentler flavour experience. You can find it alongside other oral health products at Cured Pharmacy for just £4.29.

Unlike standard mouthwashes that rely on alcohol or strong flavouring to temporarily cover odours, CB12 uses a patented active combination to tackle the root cause. That distinction matters — especially if you've tried other rinses and found the results short-lived.

 

How Does CB12 Green Mouthwash Work to Fight Bad Breath?

 

The science behind CB12 is straightforward once you understand what actually causes bad breath. Bacteria in the mouth break down proteins and produce VSCs — particularly hydrogen sulphide and methyl mercaptan. These are the compounds responsible for that unpleasant odour. CB12 targets them directly.

  • Zinc acetate binds to VSC molecules, chemically neutralising them before they can be detected as odour.
  • Chlorhexidine diacetate acts as an antimicrobial agent, reducing the bacterial load in the mouth that produces VSCs in the first place.
  • Sodium fluoride is included to support tooth enamel strength and help protect against decay.
  • The mild mint-menthol flavour provides a pleasant freshness without the intensity of the original CB12 formulation.

Together, these ingredients provide up to 12 hours of protection from a single daily rinse. That's a meaningful difference compared to many standard mouthwashes, which may only mask odour for an hour or two.

 

Who Should Use CB12 Green Mild Mint-Menthol Mouthwash?

 

CB12 Green is suitable for adults and young people aged 12 and over who experience persistent or occasional bad breath. It's particularly well-suited to those who find the original CB12 flavour too intense, or who have a sensitive mouth. It's also a practical choice for anyone who wants a once-daily routine rather than multiple applications throughout the day.

  • Adults experiencing chronic halitosis not resolved by brushing alone
  • People with a sensitive palate who find strong mint flavours uncomfortable
  • Those who wear dentures or orthodontic appliances and want additional oral hygiene support
  • Anyone looking for a fluoride-containing rinse that also addresses odour

It is not recommended for children under 12, and you should speak to your dentist or pharmacist if you are pregnant, breastfeeding, or have any oral health conditions before starting use.

 

How Does CB12 Green Compare to Other Bad Breath Mouthwashes?

 

Feature CB12 Green Mild Mint-Menthol Standard Antibacterial Mouthwash
Mechanism Neutralises VSCs at source Masks odour / kills bacteria broadly
Duration of effect Up to 12 hours 1–2 hours typically
Contains fluoride Yes (sodium fluoride) Varies by product
Alcohol-free Yes Many contain alcohol
Suitable for sensitive mouths Yes (mild mint variant) Not always

 

Is CB12 Green Mouthwash Safe to Store at Home?

 

Yes. Store CB12 Green Mild Mint-Menthol Mouthwash below 25°C, away from direct sunlight, and out of reach of children. The 250ml bottle is compact enough to keep in a bathroom cabinet without taking up much space. Check the expiry date printed on the bottle before use — do not use after the stated date. If you're building up your household health supplies, you'll find a range of dental products at Cured Pharmacy to complement your oral care routine.

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.

CB12 Green Mild Mint-Menthol Mouthwash 250ml specifications
Treatment category Oral hygiene / Halitosis
Mechanism of action Neutralises volatile sulphur compounds (VSCs) via zinc acetate and chlorhexidine diacetate
Effective Up to 12 hours per use
Suitable for Adults and children aged 12 and over
Active ingredient Zinc acetate, Chlorhexidine diacetate, Sodium fluoride
Pack sizes 250ml
UK classification General Sale List (GSL)
Preparation Oral rinse solution
Route of administration Oral (rinse and spit)

Specifications of CB12 Green Mild Mint-Menthol Mouthwash 250ml

 

What Is CB12 Green Mouthwash and What Is It Used For?

 

CB12 Green Mild Mint-Menthol Mouthwash is an oral rinse used to prevent and treat bad breath (halitosis). It is formulated with a combination of zinc acetate, chlorhexidine diacetate, and sodium fluoride. The zinc and chlorhexidine work together to neutralise and reduce the volatile sulphur compounds produced by oral bacteria — the primary cause of unpleasant mouth odour. The added fluoride helps protect tooth enamel at the same time. The green mild mint-menthol variant delivers the same clinical action as the original CB12 but with a softer, less intense flavour profile, making it a practical choice for daily use.

 

What Do You Need to Know Before Using CB12 Green Mouthwash?

 

Before using this product, read the following carefully. If you are unsure whether CB12 is right for you, speak to your pharmacist or dentist.

Do not use CB12 Green Mouthwash if you:

  • Are under 12 years of age
  • Are allergic to chlorhexidine, zinc acetate, sodium fluoride, or any other listed ingredient
  • Have open sores or ulcers in the mouth that have not been assessed by a healthcare professional

Warnings and precautions:

  • Do not swallow — if accidentally swallowed in large amounts, seek medical advice immediately
  • Avoid using immediately after brushing with toothpaste, as some toothpaste ingredients can reduce the effectiveness of chlorhexidine; rinse your mouth with water first and wait a few minutes
  • Prolonged use may cause temporary staining of teeth, tongue, or dental restorations
  • If you are pregnant or breastfeeding, consult your pharmacist before use
  • Contains sodium fluoride — do not use alongside other fluoride-containing rinses without dental advice

Known interactions:

  • Chlorhexidine activity may be reduced by anionic compounds found in some toothpastes (e.g. sodium lauryl sulphate)
  • No significant systemic drug interactions are expected at OTC oral rinse doses

 

How Should You Use CB12 Green Mouthwash Correctly?

 

Using CB12 correctly is important to get the full benefit. Follow these steps each time:

  1. Measure exactly 10ml using the cap provided.
  2. If you have just brushed your teeth, rinse your mouth with plain water first and wait a few minutes.
  3. Take the 10ml into your mouth and rinse thoroughly for 30 to 60 seconds, making sure the liquid reaches all areas of the mouth.
  4. Spit out completely — do not swallow.
  5. Do not eat, drink, or rinse with water for at least 30 minutes after use to allow the active ingredients to work.
Indication Age Group Dose Frequency
Bad breath prevention Adults and children 12+ 10ml Once daily
Not recommended Under 12 years

If you are managing your overall health alongside your oral care, you may also find it helpful to explore vitamins and supplements that support general wellbeing.

 

What Are the Possible Side Effects of CB12 Green Mouthwash?

 

Like all products containing chlorhexidine, CB12 can cause side effects in some people. Most are mild and reversible.

Common side effects:

  • Temporary brown staining of teeth, tongue, or dental restorations
  • Altered or reduced taste sensation, particularly in the first few days of use
  • Mild burning or tingling sensation in the mouth

Less common side effects:

  • Mouth irritation or soreness
  • Swollen or tender salivary glands (parotid gland swelling) — rare but reported with chlorhexidine use
  • Allergic reactions including rash, itching, or swelling — stop use immediately and seek medical advice if this occurs

Tooth staining associated with chlorhexidine is generally reversible with professional dental cleaning. If staining is a concern, speak to your dentist. The NHS advises that good oral hygiene, including regular brushing and dental check-ups, remains the foundation of managing bad breath.

 

How Should You Store CB12 Green Mouthwash Safely?

 

Proper storage keeps the product effective and safe for the duration of use. If you're stocking up on oral care essentials, browse the full range of ear, nose, and throat products available at Cured Pharmacy too.

  • 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
  • Store out of reach and sight of children
  • Do not use after the expiry date printed on the bottle
  • Do not transfer to another container
  • Do not dispose of via wastewater — return unused product to your pharmacy

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 CB12 Green Mouthwash online in the UK?

You can buy CB12 Green Mild Mint-Menthol Mouthwash 250ml directly from Cured Pharmacy online for just £4.29, with no prescription required. It is classified as a General Sale List (GSL) medicine, meaning it is available over the counter. Browse the full range of oral health products at Cured Pharmacy for more dental care options.

How does CB12 mouthwash actually work in the mouth?

CB12 mouthwash works by targeting volatile sulphur compounds (VSCs) — the molecules produced by oral bacteria that cause bad breath. Zinc acetate chemically binds to these compounds and neutralises them, while chlorhexidine diacetate reduces the bacterial population responsible for producing them. This dual-action approach means it addresses the cause of bad breath rather than simply covering it up with fragrance.

How do I use CB12 Green Mouthwash step by step?

Measure 10ml using the bottle cap, then rinse it around your mouth for 30 to 60 seconds before spitting out completely. Do not swallow the liquid, and avoid eating, drinking, or rinsing with water for at least 30 minutes afterwards. If you have just brushed your teeth, rinse your mouth with plain water and wait a few minutes before using CB12 to avoid reducing the effectiveness of chlorhexidine.

What is the correct dose of CB12 Green Mouthwash?

The recommended dose is 10ml once daily for adults and young people aged 12 and over. Do not use more than once per day or exceed the 10ml dose. The 250ml bottle provides approximately 25 individual uses at the correct dose.

When is the best time to use CB12 mouthwash each day?

Most people find it most effective to use CB12 in the morning as part of their daily oral hygiene routine, as this provides up to 12 hours of protection throughout the day. You can use it after brushing, but remember to rinse with plain water first and allow a short gap before applying CB12. Consistent daily use at the same time each day helps maintain the best results.

What are the side effects of CB12 mouthwash?

The most commonly reported side effects include temporary brown staining of teeth or the tongue, and a temporary change in taste sensation — both of which are associated with the chlorhexidine content. Mild mouth tingling or irritation can also occur in some users. These effects are generally reversible; tooth staining can usually be removed by a dental hygienist during a routine clean.

Is CB12 Green Mouthwash suitable for sensitive mouths?

Yes — the CB12 Green variant was specifically developed for people who find the original CB12 flavour too strong or who have a sensitive palate. The mild mint-menthol formulation delivers the same clinical action with a gentler sensory experience. If you have a history of mouth ulcers, oral sensitivity, or allergies to any of the ingredients, speak to your pharmacist before starting use.

Can children use CB12 Green Mouthwash?

CB12 Green Mouthwash is not recommended for children under 12 years of age. For children aged 12 and over, it can be used at the standard adult dose of 10ml once daily under appropriate supervision. If you are looking for oral health products suitable for younger children, speak to your dentist or pharmacist for age-appropriate recommendations.

How long does one 250ml bottle of CB12 mouthwash last?

At the recommended dose of 10ml once daily, a 250ml bottle provides approximately 25 uses, which equates to roughly three to four weeks of daily use. This makes it a cost-effective option at £4.29 per bottle. Stocking up is a practical way to maintain a consistent routine without running out.

Can I use CB12 mouthwash every day long term?

CB12 is designed for daily use, and many people use it as a long-term part of their oral hygiene routine. However, because it contains chlorhexidine, it is worth reviewing your use periodically with your dentist — particularly if you notice persistent tooth staining or taste changes. The NHS recommends regular dental check-ups as part of maintaining good oral health, regardless of which products you use.

What happens if I accidentally swallow CB12 mouthwash?

Swallowing a small amount accidentally is unlikely to cause serious harm in adults, but you should not deliberately swallow the product. If a child swallows a significant amount, or if you swallow a large quantity, contact NHS 111 or your nearest A&E for advice. Always keep the bottle out of reach of children to prevent accidental ingestion.

Does CB12 mouthwash interact with toothpaste?

Yes — some ingredients commonly found in toothpaste, particularly sodium lauryl sulphate (SLS), can reduce the effectiveness of chlorhexidine if used immediately before CB12. To avoid this, rinse your mouth with plain water after brushing and wait a few minutes before using CB12. This simple step helps ensure you get the full benefit from the mouthwash.

What are the alternatives to CB12 mouthwash for bad breath?

Alternatives include standard chlorhexidine mouthwashes (such as Corsodyl), zinc-based rinses, and alcohol-free antibacterial mouthwashes. However, most alternatives work primarily by killing bacteria broadly or masking odour, rather than specifically neutralising VSCs as CB12 does. The NHS advises that persistent bad breath should be assessed by a dentist to rule out underlying causes such as gum disease or tooth decay. You can also explore the wider range of dental products available at Cured Pharmacy.

Is CB12 mouthwash alcohol-free?

Yes, CB12 Green Mild Mint-Menthol Mouthwash is alcohol-free, which makes it a suitable choice for people who prefer to avoid alcohol in oral care products — including those who are in recovery, have religious dietary requirements, or simply find alcohol-based rinses drying or irritating. Being alcohol-free also means it is less likely to cause a burning sensation in sensitive mouths.

What does the latest research say about CB12 mouthwash?

Clinical studies on CB12 have demonstrated that the combination of zinc acetate and chlorhexidine diacetate is effective at reducing VSC levels in the mouth for up to 12 hours following a single rinse. Research published in peer-reviewed dental journals supports the use of zinc-chlorhexidine combinations as among the most clinically effective approaches to managing halitosis. The NHS recognises that good oral hygiene, including the use of appropriate mouthwashes, plays a role in managing bad breath alongside regular dental care.

How Should You Use CB12 Green Mild Mint-Menthol Mouthwash?

Using CB12 correctly ensures you get the full 12-hour protection it is designed to provide. It is important to follow the steps below each time you use it, as skipping steps — particularly the waiting period after brushing — can reduce how well the active ingredients work.

What Is the Correct Dose of CB12 Green Mouthwash?

The standard dose is 10ml once daily. This applies to adults and young people aged 12 and over. Do not increase the dose or use more frequently than once per day, as this will not improve results and may increase the likelihood of side effects such as tooth staining.

When Is the Best Time to Use CB12 Green Mouthwash?

Most people find that using CB12 in the morning — after breakfast and after brushing — works best, as it provides protection throughout the day when social interactions are most likely. However, you can use it at any consistent time that fits your routine. The key is daily use at the same time each day to maintain a steady level of protection.

Avoid using CB12 immediately before bed if you have not yet brushed your teeth, as brushing should always come first in your oral hygiene routine.

How Long Can You Use CB12 Green Mouthwash For?

CB12 can be used as part of a long-term daily oral hygiene routine. There is no fixed maximum duration of use, but it is advisable to review your use with your dentist periodically — particularly if you notice tooth staining or changes in taste that persist. The NHS recommends attending regular dental check-ups, which is the ideal opportunity to discuss whether your current oral care products remain appropriate for your needs.

If your bad breath does not improve after several weeks of consistent use, speak to your dentist, as persistent halitosis can sometimes indicate an underlying dental or medical condition that requires assessment.

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

What Are the Most Common Side Effects of CB12 Green Mouthwash?

The most frequently reported side effects of CB12 are linked to its chlorhexidine content, which is a well-established antimicrobial agent used in many dental products. These effects are generally mild and reversible once use is stopped or reduced.

  • Temporary brown or yellow staining of teeth, tongue, or dental restorations
  • Altered or reduced taste sensation, particularly in the first few days of use
  • Mild burning or tingling sensation in the mouth during or after rinsing
  • Dry mouth sensation in some users

What Are the Less Common Side Effects of CB12 Green Mouthwash?

Less commonly, some people experience more noticeable oral discomfort or localised reactions. These are not typical but are worth being aware of before you start using the product.

  • Mouth soreness or irritation of the oral mucosa
  • Swelling or tenderness of the parotid (salivary) glands — rare but reported with chlorhexidine-containing products
  • Increased tartar build-up on teeth with prolonged use
  • Desquamation (peeling) of the oral mucosa in sensitive individuals

What Are the Serious Side Effects of CB12 Green Mouthwash?

Serious side effects are rare but can occur, particularly in people with a known allergy to chlorhexidine or any other ingredient in the formulation. Chlorhexidine hypersensitivity reactions, while uncommon, can range from localised contact reactions to, in very rare cases, anaphylaxis. If you experience any of the following, stop using CB12 immediately and seek urgent medical attention:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Severe rash, hives, or widespread skin reaction
  • Dizziness or feeling faint

What Should You Do If You Experience Side Effects of CB12 Mouthwash?

For mild side effects such as tooth staining or taste changes, these often resolve on their own or can be managed by a dental hygienist during a routine clean. If staining is persistent or bothersome, speak to your dentist. For taste disturbance, this typically improves after the first week of use as your mouth adjusts. If any side effect is causing you significant discomfort or concern, stop use and consult your pharmacist or GP before continuing.

You should also report any suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk, which helps monitor the safety of medicines used in the UK.

Can CB12 Green Mouthwash Interact With Other Medicines or Products?

CB12 does not have significant systemic drug interactions at the doses used in an oral rinse. However, there is a well-documented interaction between chlorhexidine and anionic surfactants — particularly sodium lauryl sulphate (SLS), which is found in many toothpastes. Using CB12 immediately after brushing without rinsing first can reduce the effectiveness of the chlorhexidine component. To avoid this, always rinse your mouth with plain water and wait a few minutes after brushing before using CB12. Do not use CB12 alongside other chlorhexidine-containing products without dental advice, as combined use may increase the risk of staining and mucosal irritation.

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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