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Aloclair Mouth Ulcer Treatment Plus Spray

Aloclair Mouth Ulcer Treatment Plus Spray

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  • ✔️ Forms a protective film over ulcers for fast pain relief
  • ✔️ Steroid-free and anaesthetic-free — gentle on sensitive tissue
  • ✔️ Spray format reaches awkward ulcer sites with precision
  • ✔️ Suitable for ulcers caused by braces, dentures, or biting
  • ✔️ Supports natural mucosal healing with hyaluronic acid

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What Is Aloclair Plus Mouth Ulcer Spray?

 

If you have ever had a mouth ulcer, you will know just how disproportionately painful something so small can be. Eating, drinking, even talking can become uncomfortable. Mouth ulcer spray from Aloclair Plus is a clinically established, over-the-counter treatment designed to give you fast, targeted relief without the need for a prescription. At just £4.99, it is an accessible option for adults and older children dealing with the everyday misery of oral ulceration. You can browse our full range of dental products if you are looking for broader oral care support alongside this treatment.

Mouth ulcers — also known as aphthous ulcers — are shallow, painful sores that develop on the mucous membranes inside the mouth. According to the NHS, they are very common and usually clear up on their own within one to two weeks, though treatment can significantly ease discomfort in the meantime. Aloclair Plus Spray is formulated without anaesthetics or steroids, making it a gentle yet effective choice for many patients.

 

How Does Aloclair Plus Spray Work on Mouth Ulcers?

 

The mechanism behind Aloclair Plus Spray is elegantly straightforward. Rather than numbing the area with a local anaesthetic, it works by creating a physical barrier over the ulcer surface. This protective film isolates the raw, exposed tissue from the constant irritation caused by saliva, food particles, and acidic drinks — all of which can significantly worsen pain and delay healing.

  • Film formation: Polyvinylpyrrolidone (PVP) and sodium hyaluronate combine to coat the ulcer with a thin, adherent film that stays in place even in the moist oral environment.
  • Moisture retention: Hyaluronic acid helps maintain a moist wound environment, which is associated with faster tissue repair.
  • Soothing action: Aloe vera extract contributes a calming effect on inflamed mucosal tissue.
  • No anaesthetic: Because it does not rely on numbing agents, there is no risk of masking pain that might indicate a more serious condition.

 

Who Should Use Aloclair Plus Spray?

 

This spray is suitable for a wide range of patients. It is particularly useful if you want a steroid-free, anaesthetic-free option that can be used multiple times a day without concern about systemic absorption. It is also a practical format — a spray is easier to apply precisely to awkward areas of the mouth than a gel or paste.

  • Adults and teenagers aged 12 and over with minor aphthous ulcers
  • Patients who prefer to avoid corticosteroid-based treatments
  • Those with ulcers in hard-to-reach areas of the mouth where a gel is difficult to apply
  • Individuals seeking a non-medicated, film-forming approach to ulcer management

 

How Does Aloclair Plus Spray Compare to Other Mouth Ulcer Treatments?

 

Feature Aloclair Plus Spray Bonjela Gel
Active mechanism Protective film formation Choline salicylate (anti-inflammatory)
Contains anaesthetic? No Yes (cetalkonium chloride)
Suitable for children under 16? 12+ with caution Not recommended under 16 (salicylate risk)
Application format Spray — precise, easy to use Gel — requires finger application

 

Is Aloclair Plus Spray Safe to Store and Use Long-Term?

 

Aloclair Plus Spray should be stored below 25°C, away from direct sunlight, and kept out of the reach of children. Once opened, check the expiry date on the packaging and do not use beyond it. The spray format means there is minimal risk of contamination compared to a pot or tube, but you should still avoid sharing it with others to prevent cross-infection.

If you are managing recurring mouth ulcers alongside other oral health concerns, our oral health collection includes a range of complementary products. For those who also experience related discomfort such as sore throats or nasal irritation, our ear, nose and throat range may also be worth exploring. This mouth ulcer spray is a medicine — speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

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.

Aloclair Mouth Ulcer Treatment Plus Spray specifications
Treatment category Mouth ulcer treatment
Mechanism of action Forms a protective film over the ulcer surface to reduce pain and support healing
Effective for Minor aphthous mouth ulcers
Suitable for Adults and children aged 12 and over
Active ingredients Polyvinylpyrrolidone (PVP), Sodium hyaluronate, Aloe vera extract
Pack size 15 ml
UK classification General Sale List (GSL)
Drug class Medical device / oral mucosal protectant
Preparation Topical oral spray
Route of administration Topical (oral mucosa)

Specifications of Aloclair Mouth Ulcer Treatment Plus Spray

 

What Is Aloclair Plus Spray and What Is It Used For?

 

Aloclair Plus Spray is an over-the-counter oral mucosal protectant used to relieve the pain associated with minor mouth ulcers (aphthous ulcers), traumatic ulcers caused by dental appliances or accidental biting, and irritation from orthodontic braces. It is not a medicine in the traditional pharmacological sense — it works as a medical device by forming a physical protective layer over damaged oral tissue rather than delivering a drug into the body. The NHS notes that most mouth ulcers are harmless and resolve within one to two weeks, but treatment can make that period considerably more comfortable.

 

What Do You Need to Know Before Using Aloclair Plus Spray?

 

Before using this spray, there are a few important points to consider. While it is generally well tolerated, it is not appropriate for everyone in every situation.

Do not use Aloclair Plus Spray if:

  • You are allergic to any of the ingredients, including aloe vera or hyaluronic acid
  • The ulcer has not healed after two weeks — seek medical advice instead
  • The ulcer is unusually large, painless, or accompanied by systemic symptoms such as fever
  • You are using it on a child under 12 without first consulting a pharmacist or GP

Warnings and precautions:

  • Avoid spraying near the eyes
  • Do not inhale the spray
  • If you are pregnant or breastfeeding, consult your pharmacist before use — though no systemic absorption is expected, professional guidance is always advisable
  • Recurring or multiple ulcers may indicate an underlying condition such as coeliac disease, inflammatory bowel disease, or nutritional deficiency; speak to your GP if ulcers keep coming back

Known drug interactions:

  • No clinically significant drug interactions have been identified for Aloclair Plus Spray
  • As a topical product with no systemic absorption, interactions with oral medications are not expected

 

How Should You Use Aloclair Plus Spray?

 

Using Aloclair Plus Spray correctly makes a real difference to how well it works. The spray needs to coat the ulcer fully to form an effective barrier, so technique matters. Avoid eating or drinking for at least 30 minutes after each application to allow the film to set properly.

  1. Shake the bottle gently before use
  2. Open your mouth and locate the ulcer
  3. Hold the nozzle approximately 2–3 cm from the affected area
  4. Spray directly onto the ulcer two to three times to ensure full coverage
  5. Do not rinse your mouth immediately after application
  6. Repeat three to four times daily, ideally after meals and before bed
Indication Age Group Dose Frequency
Minor aphthous ulcers Adults & children 12+ 2–3 sprays per ulcer 3–4 times daily
Traumatic ulcers (brace/denture) Adults & children 12+ 2–3 sprays per ulcer 3–4 times daily
Children under 12 Under 12 Seek medical advice Not recommended without guidance

 

What Are the Possible Side Effects of Aloclair Plus Spray?

 

Aloclair Plus Spray is generally very well tolerated. Because it does not contain anaesthetics, steroids, or salicylates, the side effect profile is minimal. That said, as with any product applied to sensitive mucosal tissue, some people may notice mild reactions.

Common side effects:

  • Mild, transient stinging or tingling immediately after application — this usually passes within seconds
  • Temporary altered taste sensation

Less common side effects:

  • Localised irritation or redness if you have a sensitivity to any of the ingredients
  • Dry sensation in the mouth in some users

If you experience a persistent or worsening reaction, stop using the spray and speak to your pharmacist. Serious allergic reactions (such as swelling of the lips, tongue, or throat) are extremely rare but require immediate medical attention. If you are also managing pain from other sources, our pain relief collection includes a range of options that may complement your care.

 

How Should You Store Aloclair Plus Spray?

 

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

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the cap on when not in use
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not freeze

If you are unsure whether a product has been stored correctly or has expired, dispose of it safely and purchase a replacement. You can find guidance on safe medicine disposal from your local pharmacy. For those managing broader health concerns alongside oral discomfort, our vitamins and supplements range includes products that support immune function and tissue repair, which may be relevant if you experience frequent or recurrent ulcers.

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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 Aloclair Plus Spray online in the UK?

You can buy Aloclair Plus Spray directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £4.99 with no prescription required. It is dispatched quickly and discreetly to your door. It may also be available from some high street pharmacies, though online purchasing is often more convenient and cost-effective.

How does Aloclair Plus Spray work on mouth ulcers?

Aloclair Plus Spray works by forming a thin, adherent protective film over the surface of the ulcer, physically shielding the raw tissue from irritants such as food, saliva, and acidic drinks. This barrier reduces pain almost immediately and creates an environment that supports natural healing. It does not contain anaesthetics or steroids, so it works through a purely physical mechanism rather than a pharmacological one.

How do I use Aloclair Plus Spray step by step?

Shake the bottle gently, then hold the nozzle approximately 2–3 cm from the ulcer and spray directly onto the affected area two to three times. Apply three to four times daily — ideally after meals and before bed — and avoid eating or drinking for at least 30 minutes after each application. This allows the protective film to form properly and remain in place.

How quickly does Aloclair Plus Spray relieve pain?

Many users notice a reduction in discomfort within minutes of applying the spray, as the protective film immediately reduces contact between the ulcer and oral irritants. The speed of relief can vary depending on the size and severity of the ulcer. Consistent use throughout the day tends to give the best results.

What is the correct dose of Aloclair Plus Spray for adults?

The recommended dose for adults is two to three sprays applied directly to each ulcer, repeated three to four times daily. There is no strict maximum number of applications, but you should follow the manufacturer's guidance and not use it more frequently than directed without speaking to a pharmacist. Always read the patient information leaflet supplied with the product.

Can children use Aloclair Plus Spray?

Aloclair Plus Spray is considered suitable for adults and children aged 12 and over. For children under 12, you should consult a pharmacist or GP before use, as the product has not been specifically studied in younger age groups. If your child has a mouth ulcer, the NHS recommends seeking professional advice if the ulcer is large, painful, or does not heal within two weeks.

Are there any side effects of Aloclair Plus Spray?

Side effects are uncommon and generally mild. Some people experience a brief stinging or tingling sensation immediately after application, and a temporary change in taste has also been reported. If you notice persistent irritation, redness, or any signs of an allergic reaction such as swelling, stop use immediately and contact your pharmacist or GP.

Can I use Aloclair Plus Spray if I am pregnant or breastfeeding?

Aloclair Plus Spray is applied topically to the oral mucosa and is not expected to be absorbed systemically, which means the risk to a developing baby or nursing infant is considered very low. However, as a precaution, you should always speak to your pharmacist or midwife before using any product during pregnancy or breastfeeding. They can help you weigh up the benefits and any potential concerns.

How long should I use Aloclair Plus Spray for?

Most minor mouth ulcers heal within 10 to 14 days, and you can use Aloclair Plus Spray throughout this period to manage discomfort. If your ulcer has not improved after two weeks, or if it is unusually large, painless, or accompanied by other symptoms, you should see your GP or dentist. Persistent or recurrent ulcers can sometimes indicate an underlying health condition that needs investigation.

What are the alternatives to Aloclair Plus Spray for mouth ulcers?

Common alternatives include Bonjela gel (which contains choline salicylate and is not recommended for under-16s), Iglu gel, and hydrocortisone buccal tablets for more persistent ulcers. You can explore our dental products collection for a broader range of oral care options. The right choice depends on the type and severity of your ulcer, so ask your pharmacist if you are unsure.

Does Aloclair Plus Spray interact with any medicines?

No clinically significant drug interactions have been identified for Aloclair Plus Spray. Because it acts as a topical barrier with no known systemic absorption, it is unlikely to interfere with oral medications. That said, if you are taking multiple medicines or have a complex medical history, it is always sensible to check with your pharmacist before starting any new product.

Can I use Aloclair Plus Spray with dental braces or dentures?

Yes — Aloclair Plus Spray is particularly useful for ulcers caused by the friction of orthodontic braces, retainers, or ill-fitting dentures. The spray format makes it easier to reach awkward areas of the mouth that a gel or paste might not cover as effectively. Apply it directly to the ulcer after meals and before bed for the best results.

Why do I keep getting mouth ulcers — should I be worried?

Recurrent mouth ulcers are common and are often linked to stress, hormonal changes, minor injuries, or nutritional deficiencies such as low iron, folate, or vitamin B12. However, if you are getting ulcers very frequently, or if they are large and slow to heal, it is worth speaking to your GP as they can occasionally be associated with conditions such as coeliac disease or inflammatory bowel disease. Our vitamins and supplements range includes products that support nutritional health, which may be relevant if deficiency is a contributing factor.

Is Aloclair Plus Spray the same as Aloclair Plus Gel?

Both products share the same core active ingredients and work via the same film-forming mechanism, but they differ in format. The spray is easier to apply to ulcers in hard-to-reach areas of the mouth, while the gel may be preferred for ulcers on the lips or gums where a more targeted, viscous application is helpful. Your choice may simply come down to personal preference and the location of your ulcer.

What are the latest findings on mouth ulcer spray treatments?

Research continues to support the use of film-forming agents containing hyaluronic acid and PVP for managing aphthous ulcers, with studies suggesting these ingredients help maintain a moist wound environment that promotes mucosal repair. The NHS recommends a range of topical treatments for mouth ulcer pain relief, and barrier-forming sprays are considered a safe, well-tolerated option. If you are interested in broader oral health support, our oral health collection includes a variety of evidence-informed products.

How Should You Use Aloclair Plus Spray?

Using Aloclair Plus Spray correctly is straightforward, but a little care with technique will make a noticeable difference to how effective it is. Make sure your hands are clean before handling the bottle, and try to apply the spray when you are not about to eat or drink.

What Is the Correct Dose of Aloclair Plus Spray?

The dose is the same for all eligible users — two to three sprays applied directly to each ulcer per application. There is no need to measure or dilute the product. Simply spray, wait, and allow the film to form naturally over the ulcer surface.

When Is the Best Time to Use Aloclair Plus Spray?

The most effective times to apply Aloclair Plus Spray are after meals and before bed. Applying after eating means the film is not immediately disrupted by food or drink, giving it the best chance to adhere and protect the ulcer. The bedtime application is particularly valuable because saliva production decreases overnight, meaning the film can remain undisturbed for longer and support healing while you sleep.

If you experience significant pain at other times of day — for example, before a meal or during a meeting — you can apply an additional dose as needed, up to four times daily in total.

How Long Can You Use Aloclair Plus Spray For?

You can use Aloclair Plus Spray for as long as the ulcer persists, typically up to 14 days. Most minor mouth ulcers resolve within one to two weeks with or without treatment, but the spray helps make that period considerably more comfortable. If your ulcer has not healed after two weeks, or if new ulcers keep appearing, this is a signal to speak to your GP or dentist rather than continuing to self-treat.

There is no evidence of harm from using the spray for the full duration of an ulcer's natural healing cycle. However, it is not intended as a long-term daily preventative — it should be used in response to active ulcers only.

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

How Should You Use Aloclair Plus Spray?

Using Aloclair Plus Spray correctly is straightforward, but a little care with technique will make a noticeable difference to how effective it is. Make sure your hands are clean before handling the bottle, and try to apply the spray when you are not about to eat or drink.

What Is the Correct Dose of Aloclair Plus Spray?

The dose is the same for all eligible users — two to three sprays applied directly to each ulcer per application. There is no need to measure or dilute the product. Simply spray, wait, and allow the film to form naturally over the ulcer surface.

When Is the Best Time to Use Aloclair Plus Spray?

The most effective times to apply Aloclair Plus Spray are after meals and before bed. Applying after eating means the film is not immediately disrupted by food or drink, giving it the best chance to adhere and protect the ulcer. The bedtime application is particularly valuable because saliva production decreases overnight, meaning the film can remain undisturbed for longer and support healing while you sleep.

If you experience significant pain at other times of day — for example, before a meal or during a meeting — you can apply an additional dose as needed, up to four times daily in total.

How Long Can You Use Aloclair Plus Spray For?

You can use Aloclair Plus Spray for as long as the ulcer persists, typically up to 14 days. Most minor mouth ulcers resolve within one to two weeks with or without treatment, but the spray helps make that period considerably more comfortable. If your ulcer has not healed after two weeks, or if new ulcers keep appearing, this is a signal to speak to your GP or dentist rather than continuing to self-treat.

There is no evidence of harm from using the spray for the full duration of an ulcer's natural healing cycle. However, it is not intended as a long-term daily preventative — it should be used in response to active ulcers only.

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 Aloclair Plus Spray?

Aloclair Plus Spray is very well tolerated by most people. Because it does not contain anaesthetics, steroids, or salicylates, the risk of side effects is low compared to some other mouth ulcer treatments. The most frequently reported reactions are mild and short-lived.

  • Brief stinging or tingling sensation immediately after application
  • Temporary altered or unusual taste in the mouth
  • Slight dry sensation on the oral mucosa in some users

What Are the Less Common Side Effects of Aloclair Plus Spray?

Less commonly, some individuals may notice localised reactions, particularly if they have a sensitivity to one of the ingredients such as aloe vera. These reactions are not typical but are worth being aware of before you start using the product.

  • Localised redness or irritation around the application site
  • Increased sensitivity of the surrounding mucosal tissue
  • Mild discomfort that persists beyond the initial application moment

What Are the Serious Side Effects of Aloclair Plus Spray?

Serious side effects are extremely rare with Aloclair Plus Spray. However, as with any product applied to mucous membranes, there is a very small possibility of an allergic reaction. You should 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 worsening of pain or inflammation in the mouth

These symptoms may indicate anaphylaxis, which is a medical emergency. Call 999 or go to your nearest A&E immediately if you suspect a severe allergic reaction.

What Should You Do If You Experience Side Effects of Aloclair Plus Spray?

For mild side effects such as brief stinging or taste changes, no action is usually needed — these typically resolve within seconds to minutes. If you find the stinging particularly uncomfortable, try applying the spray from a slightly greater distance or reducing the number of sprays per application. If localised irritation persists or worsens, stop using the product and consult your pharmacist, who can recommend an alternative mouth ulcer treatment suited to your needs.

You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps regulators monitor the safety of products available in the UK.

Can Aloclair Plus Spray Interact With Other Medicines?

No clinically significant interactions between Aloclair Plus Spray and other medicines have been identified. The product acts as a topical barrier on the oral mucosa and is not known to be absorbed systemically, which means it is very unlikely to affect the way other medicines work in your body. If you are taking medicines that are absorbed through the oral mucosa — such as certain sublingual tablets — apply Aloclair Plus Spray at a different time to avoid any potential interference with absorption. When in doubt, ask your pharmacist for personalised advice.

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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