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Biotene Dry Mouth Toothpaste Fresh Mint - 100ml

Biotene Dry Mouth Toothpaste Fresh Mint - 100ml

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  • ✔️ Relieves dry mouth discomfort caused by medication or illness
  • ✔️ Enzyme system mimics natural saliva to protect teeth
  • ✔️ SLS-free formula gentle on sensitive dry mouths
  • ✔️ Fluoride strengthens enamel vulnerable to decay from xerostomia
  • ✔️ Fresh mint flavour neutralises bad breath linked to dry mouth

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What Is Dry Mouth Toothpaste and How Can It Help You?

 

If your mouth feels persistently parched, sticky, or uncomfortable — especially at night — you are not alone. Dry mouth, known clinically as xerostomia, affects a significant number of people in the UK. It can be caused by certain medications, medical conditions, or treatments such as radiotherapy. Dry mouth toothpaste like Biotene Fresh Mint 100ml is specifically formulated to support people whose saliva production is reduced, helping to protect teeth and ease daily discomfort. You can explore our full range of oral health products to find the right combination of care for your needs.

Saliva plays a crucial role in oral health. It neutralises acids, washes away food particles, and contains natural antimicrobial proteins. When saliva flow drops, teeth become more vulnerable to decay and gum problems. That is why using a toothpaste designed for this condition — rather than a standard one — can make a real difference to your comfort and dental health.

 

How Does Biotene Dry Mouth Toothpaste Work?

 

Biotene's formulation is built around an enzyme system that works in harmony with your mouth's natural biology. Here is how it supports your oral environment:

  • Enzyme system: Contains glucose oxidase and lactoperoxidase — enzymes naturally found in saliva — which help maintain a balanced oral environment.
  • Fluoride protection: Sodium fluoride strengthens tooth enamel and helps prevent cavities, which are a particular risk when saliva is low.
  • Gentle, SLS-free formula: Free from sodium lauryl sulphate (SLS), a foaming agent that can irritate already sensitive dry mouths.
  • Fresh mint flavour: Helps combat the bad breath that often accompanies reduced saliva flow, leaving your mouth feeling cleaner.

The result is a toothpaste that does not just clean — it actively supports the oral environment that saliva would normally maintain.

 

Who Should Use Biotene Dry Mouth Toothpaste?

 

This toothpaste is designed for anyone who experiences reduced saliva flow on a regular basis. It is particularly well-suited to:

  • People taking medications known to cause dry mouth, such as antidepressants, antihistamines, or blood pressure medicines
  • Those undergoing or recovering from radiotherapy or chemotherapy affecting the head and neck
  • People diagnosed with Sjögren's syndrome or other autoimmune conditions affecting salivary glands
  • Older adults, who are more likely to experience reduced saliva production

It is suitable for adults and children aged 12 and over. If you are unsure whether this product is right for you, speak to your pharmacist or dentist before starting use.

 

How Does Biotene Compare to a Standard Toothpaste?

 

Feature Biotene Dry Mouth Toothpaste Standard Fluoride Toothpaste
Formulated for dry mouth Yes No
Contains enzyme system Yes (glucose oxidase, lactoperoxidase) No
SLS-free Yes Usually No
Fluoride protection Yes (sodium fluoride) Yes

 

Is Biotene Dry Mouth Toothpaste Clinically Suitable for Long-Term Use?

 

Yes. Because dry mouth toothpaste addresses an ongoing condition rather than a short-term problem, it is designed to be used as your everyday toothpaste for as long as needed. There is no requirement to cycle off it. If your symptoms are linked to a medication you take regularly, you may need to use it indefinitely — and that is perfectly safe.

Store the tube below 25°C with the cap tightly closed. Keep it out of reach of children under 6 years. If you are also managing other aspects of your health, our dental products collection includes complementary items such as dry mouth gels and mouthwashes that can be used alongside this toothpaste.

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.

Biotene Dry Mouth Toothpaste Fresh Mint 100ml specifications
Treatment category Dry mouth (xerostomia) relief and dental protection
Mechanism of action Enzyme system (glucose oxidase, lactoperoxidase) supports oral environment; fluoride strengthens enamel
Effective for Dry mouth symptoms, bad breath associated with xerostomia, cavity prevention
Suitable for Adults and children aged 12 and over
Active ingredient Sodium fluoride, glucose oxidase, lactoperoxidase
Pack size 100ml
UK classification General Sale (GSL)
Preparation Toothpaste (gel/paste)
Route of administration Topical oral (dental)

Specifications of Biotene Dry Mouth Toothpaste Fresh Mint 100ml

 

What Is Biotene Dry Mouth Toothpaste and What Is It Used For?

 

Biotene Dry Mouth Toothpaste Fresh Mint 100ml is an over-the-counter dental product used to relieve the symptoms of dry mouth (xerostomia) and to protect teeth in people with reduced saliva production. Saliva is essential for neutralising acids in the mouth, washing away bacteria, and beginning the digestive process. When saliva flow is insufficient, the risk of tooth decay, gum disease, and oral infections increases considerably. This dry mouth toothpaste helps compensate for some of saliva's protective functions while also delivering fluoride to strengthen enamel.

It is used twice daily as a replacement for your regular toothpaste. It is not a treatment for the underlying cause of dry mouth — if you suspect a medical condition or medication is responsible, speak to your GP or dentist.

 

What Do You Need to Know Before Using Biotene Dry Mouth Toothpaste?

 

Before using this product, review the following contraindications and warnings:

  • Do not use in children under 6 years of age
  • Do not swallow — spit out after brushing
  • If you have a known allergy to any ingredient in the formulation, do not use this product
  • Children aged 6–12 should only use this product under adult supervision
  • If you are pregnant or breastfeeding, this product is considered safe for topical dental use, but speak to your midwife or GP if you have any concerns

Regarding drug interactions, Biotene Dry Mouth Toothpaste is applied topically and is not swallowed in meaningful quantities. As such:

  • No clinically significant drug interactions have been identified for topical dental fluoride products at standard use levels
  • If you are using prescription fluoride treatments or other medicated dental products, speak to your dentist before combining them

 

How Should You Use Biotene Dry Mouth Toothpaste?

 

Using this toothpaste correctly will help you get the most benefit from it. Follow these steps each time you brush:

  1. Apply a pea-sized amount (approximately 1–1.5g) to a soft-bristled toothbrush
  2. Brush all tooth surfaces gently for a full two minutes
  3. Spit out the toothpaste after brushing — do not rinse your mouth with water immediately afterwards
  4. Avoid eating or drinking for at least 30 minutes after brushing to allow fluoride to work on the enamel
  5. Use twice daily — morning and before bed — or as directed by your dentist
Indication Age Group Dose Frequency
Dry mouth / xerostomia Adults and children 12+ Pea-sized amount (~1–1.5g) Twice daily
Supervised use Children 6–11 Small pea-sized amount Twice daily, adult supervision required
Not recommended Under 6 years

If you are managing multiple oral health concerns, our oral health range includes complementary products such as dry mouth sprays and alcohol-free mouthwashes.

 

What Are the Possible Side Effects of Biotene Dry Mouth Toothpaste?

 

Biotene Dry Mouth Toothpaste is generally very well tolerated. Side effects are uncommon, but as with any dental product, some people may notice mild reactions, particularly when first starting use.

Common side effects (may affect a small number of users):

  • Mild tingling or sensitivity in the mouth
  • Temporary altered taste sensation

Less common side effects (rare, but worth being aware of):

  • Oral mucosal irritation
  • Allergic reaction to any ingredient (stop use immediately if this occurs)
  • Dental fluorosis — only a risk if the product is regularly swallowed, particularly in young children

If you experience any persistent or unexpected reaction, stop using the product and consult your pharmacist or dentist. Serious allergic reactions are extremely rare but require immediate medical attention.

 

How Should You Store Biotene Dry Mouth Toothpaste?

 

Correct storage keeps the product effective for its full shelf life. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Keep the cap tightly closed after each use
  • Do not store in direct sunlight or near a heat source
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the tube
  • Do not freeze

If you are also managing a condition that affects your general health alongside your oral health — for example, if you take regular medications that cause dry mouth — it may be worth exploring our vitamins and supplements range to support your overall wellbeing.

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 Biotene Dry Mouth Toothpaste online in the UK?

You can buy Biotene Dry Mouth Toothpaste Fresh Mint 100ml directly from Cured Pharmacy for just £3.69, with no prescription required. It is available as an over-the-counter general sale product. Simply add it to your basket and choose your preferred delivery option at checkout.

How does Biotene Dry Mouth Toothpaste work in the mouth?

Biotene contains an enzyme system — including glucose oxidase and lactoperoxidase — that mimics proteins naturally found in saliva. These enzymes help maintain a balanced oral environment when your own saliva production is insufficient. The added sodium fluoride also strengthens tooth enamel to reduce the risk of decay.

How do I use Biotene Dry Mouth Toothpaste step by step?

Apply a pea-sized amount to a soft-bristled toothbrush and brush gently for two minutes, covering all tooth surfaces. Spit out after brushing and avoid rinsing with water straight away — this allows the fluoride to remain on your teeth longer. Use twice daily, ideally morning and before bed.

What is the correct dose of Biotene Dry Mouth Toothpaste?

The recommended amount is a pea-sized portion — roughly 1 to 1.5 grams — applied to your toothbrush twice daily. Children aged 6 to 11 should use a smaller amount under adult supervision. Do not use in children under 6 years of age.

When is the best time to use Biotene Dry Mouth Toothpaste?

The most beneficial times are in the morning and last thing at night before bed. Brushing before sleep is particularly important because saliva flow naturally decreases overnight, making teeth more vulnerable to acid attack. Avoid eating or drinking for at least 30 minutes after brushing.

Who is Biotene Dry Mouth Toothpaste suitable for?

It is suitable for adults and children aged 12 and over who experience dry mouth caused by medication, medical conditions such as Sjögren's syndrome, or cancer treatments including radiotherapy. It is also appropriate for older adults who naturally produce less saliva. If you are unsure, speak to your pharmacist or dentist before use.

Can I use Biotene Dry Mouth Toothpaste every day long-term?

Yes — this dry mouth toothpaste is designed for daily, long-term use as your regular toothpaste. Because dry mouth is often a chronic condition linked to ongoing medication or a medical diagnosis, there is no need to stop using it after a set period. If symptoms change or worsen, consult your GP or dentist.

What are the side effects of Biotene Dry Mouth Toothpaste?

Side effects are uncommon but can include mild oral tingling, temporary altered taste, or mucosal irritation in sensitive individuals. Allergic reactions are very rare — if you notice swelling, rash, or difficulty breathing, stop use immediately and seek medical attention. Most people tolerate this product very well.

How do I manage any side effects from Biotene Dry Mouth Toothpaste?

If you experience mild irritation, try reducing the amount used per brush and ensure you are spitting out fully rather than swallowing any residue. Persistent or worsening reactions should be discussed with your pharmacist or dentist. You can also browse our dental products range for alternative dry mouth options.

Is Biotene Dry Mouth Toothpaste safe during pregnancy?

Biotene Dry Mouth Toothpaste is applied topically and is not swallowed in significant amounts, making it generally considered safe during pregnancy and breastfeeding. However, if you have any concerns, it is always sensible to check with your midwife, GP, or dentist before starting any new dental product.

Does Biotene Dry Mouth Toothpaste help with bad breath?

Yes. Bad breath (halitosis) is a common symptom of dry mouth because reduced saliva allows bacteria to thrive in the mouth. By supporting a healthier oral environment and delivering a fresh mint flavour, this toothpaste can help reduce the bad breath associated with xerostomia. For persistent bad breath, speak to your dentist to rule out other causes.

What are alternatives to Biotene Dry Mouth Toothpaste?

Alternatives include BioXtra gel toothpaste, Sensodyne Pronamel, or other SLS-free fluoride toothpastes. Some people also use dry mouth gels or sprays alongside their toothpaste for additional relief throughout the day. Your dentist or pharmacist can help you choose the most appropriate option for your specific situation.

Can Biotene Dry Mouth Toothpaste interact with other medicines?

No clinically significant drug interactions have been identified for this product when used as directed, because it is applied topically and not swallowed in meaningful quantities. If you are using prescription fluoride treatments or other medicated dental products, let your dentist know so they can advise on safe combined use.

What does the latest research say about enzyme-based dry mouth toothpastes?

Research into enzyme-based oral care products, including those containing lactoperoxidase and glucose oxidase, suggests they can help support oral comfort and reduce bacterial load in people with xerostomia. The NHS recognises dry mouth as a condition requiring specific oral hygiene management, and specialist toothpastes are among the recommended approaches. Speak to your dentist for personalised advice based on your circumstances.

How long does a 100ml tube of Biotene Dry Mouth Toothpaste last?

Using a pea-sized amount twice daily, a 100ml tube typically lasts around four to six weeks for one person. This makes it a cost-effective option at £3.69 per tube. You can also explore our wider oral health collection for complementary dry mouth products to use alongside your toothpaste.

How Should You Use Biotene Dry Mouth Toothpaste?

Using Biotene Dry Mouth Toothpaste correctly is straightforward, but a few small habits make a real difference to how effective it is. Unlike standard toothpastes, you should avoid rinsing your mouth with water immediately after brushing — this washes away the fluoride before it has had a chance to work on your enamel.

Follow these steps each time you brush:

What Is the Correct Dose of Biotene Dry Mouth Toothpaste?

The amount you use matters — too little may reduce effectiveness, while using excessive amounts unnecessarily increases fluoride exposure, particularly in younger users. Always supervise children aged 6 to 11 during brushing to ensure they spit out fully.

When Is the Best Time to Use Biotene Dry Mouth Toothpaste?

The two most important brushing times are in the morning and last thing at night before bed. Overnight is when saliva flow drops to its lowest level, leaving teeth particularly vulnerable to acid damage from bacteria. Brushing before sleep — and not eating or drinking anything afterwards — gives the fluoride the longest possible contact time with your enamel.

If your dry mouth symptoms are especially troublesome during the day, your dentist may recommend using a complementary dry mouth spray or gel between brushing sessions for additional relief.

How Long Can You Use Biotene Dry Mouth Toothpaste For?

Biotene Dry Mouth Toothpaste is safe for continuous, long-term use. Because dry mouth is frequently a chronic condition — often linked to long-term medication use or an ongoing medical diagnosis — there is no recommended time limit on how long you can use it. Simply continue using it as your everyday toothpaste for as long as your symptoms persist.

If your dry mouth resolves — for example, if a causative medication is changed — you can switch back to a standard fluoride toothpaste. However, if symptoms return, resume use straight away. Regular dental check-ups are important for anyone with a history of dry mouth, as the condition increases the risk of tooth decay over time.

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 Biotene Dry Mouth Toothpaste?

Biotene Dry Mouth Toothpaste is generally very well tolerated, and the vast majority of people use it without any problems. However, as with any oral care product, a small number of users may notice mild reactions, particularly when first starting use.

  • Mild tingling or warming sensation in the mouth
  • Temporary altered or reduced taste sensation
  • Slight foaming sensation (though this product is SLS-free and produces less foam than standard toothpastes)

These effects are usually short-lived and tend to settle within the first few days of use as your mouth adjusts to the formulation.

What Are the Less Common Side Effects of Biotene Dry Mouth Toothpaste?

Less commonly, some individuals may experience reactions that are worth monitoring. These are not expected in most users but should not be ignored if they occur.

  • Oral mucosal irritation or soreness
  • Increased tooth sensitivity, particularly to temperature
  • Dental fluorosis — only a risk if the product is regularly swallowed, which is most relevant in young children

If you notice persistent oral soreness or sensitivity that does not improve after a few days, stop using the product and speak to your dentist or pharmacist.

What Are the Serious Side Effects of Biotene Dry Mouth Toothpaste?

Serious side effects are extremely rare with this product. However, you should be aware of the signs of an allergic reaction, which — though uncommon — can occur with any ingredient in the formulation.

Seek immediate medical attention if you experience any of the following after use:

  • Swelling of the lips, tongue, throat, or face
  • Difficulty breathing or swallowing
  • Widespread skin rash or hives
  • Sudden dizziness or feeling faint

These symptoms may indicate anaphylaxis, which is a medical emergency. Call 999 or go to your nearest A&E immediately.

What Should You Do If You Experience Side Effects?

For mild side effects such as tingling or taste changes, you can usually continue using the product and monitor whether symptoms settle. Reducing the amount used per brush may also help. Always spit out thoroughly after brushing and never swallow the toothpaste intentionally.

If you experience any reaction that concerns you — even if it seems minor — stop use and contact your pharmacist or dentist for advice. They can help you determine whether the reaction is related to the toothpaste or another factor, and suggest an alternative if needed.

Can Biotene Dry Mouth Toothpaste Interact With Other Medicines?

Because Biotene Dry Mouth Toothpaste is applied topically to the teeth and gums and is not swallowed in clinically significant amounts, no meaningful drug interactions have been identified. It does not enter the bloodstream in a way that would affect other medications you may be taking.

If you are using prescription fluoride treatments, medicated mouthwashes, or other specialist dental products alongside this toothpaste, let your dentist know. They can advise on the safest and most effective combination for your individual oral health needs.

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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