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Xailin Fresh Carmellose 0.5%

Xailin Fresh Carmellose 0.5%

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  • ✔️ Relieves dry, gritty, and irritated eyes effectively
  • ✔️ Preservative-free formula safe for sensitive eyes
  • ✔️ Single-use vials eliminate contamination risk
  • ✔️ Suitable for contact lens wearers when used correctly
  • ✔️ Carmellose sodium stabilises and restores the tear film

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What Are Carmellose Eye Drops and How Do They Help?

 

If your eyes feel gritty, sore, or uncomfortably dry — especially after long hours at a screen or in air-conditioned environments — you are not alone. Dry eye syndrome is one of the most common eye complaints in the UK, affecting millions of people of all ages. Carmellose eye drops like Xailin Fresh Carmellose 0.5% are a well-established, over-the-counter option for relieving these symptoms quickly and safely. Each pack contains 30 preservative-free, single-use unit dose vials, making them hygienic and straightforward to use wherever you are. You can browse the full range of eye care products at Cured Pharmacy if you are looking for additional support for your eye health.

Xailin Fresh is manufactured by Théa Pharmaceuticals and is classified as a medical device in the UK. It does not require a prescription, so you can purchase it directly without a GP visit. At just £5.99 for 30 vials, it offers accessible, everyday relief for anyone struggling with the discomfort of dry or irritated eyes.

 

How Does Xailin Fresh Carmellose 0.5% Work?

 

The active ingredient, carmellose sodium (also known as carboxymethylcellulose), is a synthetic polymer that acts as an ocular lubricant. It works by supplementing the natural tear film — the thin layer of fluid that keeps your eye surface moist, smooth, and protected. When this tear film is disrupted or insufficient, you experience the classic symptoms of dry eye: burning, stinging, a foreign body sensation, and sometimes even watery eyes as a reflex response.

  • Carmellose sodium coats the cornea and conjunctiva, forming a protective, moisture-retaining layer.
  • It increases the viscosity of the tear film, slowing evaporation and prolonging lubrication.
  • The preservative-free formulation means no risk of preservative-induced toxicity, even with frequent use.
  • Each single-use vial is sterile and discarded after one application, reducing contamination risk.

 

Who Should Use Xailin Fresh Carmellose 0.5% Eye Drops?

 

Xailin Fresh is suitable for a wide range of people experiencing dry eye symptoms. It is particularly well-suited to those who need to use eye drops frequently throughout the day, since the preservative-free formula is gentler on the ocular surface than preserved alternatives. That said, it is not appropriate for everyone — always read the label and speak to a pharmacist if you are unsure.

  • Adults and children experiencing dry, gritty, or irritated eyes.
  • People who wear contact lenses (remove lenses before use and wait 15 minutes before reinserting).
  • Those with sensitive eyes who react to preservatives in standard eye drops.
  • Individuals whose dry eye symptoms are linked to screen use, air conditioning, or environmental factors.

 

How Does Xailin Fresh Compare to Other Dry Eye Drops?

 

Feature Xailin Fresh Carmellose 0.5% Hypromellose 0.3% Eye Drops
Active ingredient Carmellose sodium 0.5% Hypromellose 0.3%
Preservative-free Yes (unit dose vials) No (multi-dose bottle)
Format Single-use vials (30 per pack) Multi-dose bottle (10 ml)
Suitable for sensitive eyes Yes Less suitable

 

Is Xailin Fresh Suitable for Long-Term Use and How Should It Be Stored?

 

Carmellose eye drops in the Xailin Fresh formulation are considered safe for ongoing, long-term use because they contain no preservatives that could accumulate and damage the ocular surface over time. If your symptoms persist despite regular use, or if you notice any worsening of redness, pain, or vision changes, you should seek advice from your GP or optometrist. Dry eye can sometimes be a sign of an underlying condition such as Sjögren's syndrome or blepharitis, which may need specific treatment.

Store Xailin Fresh below 25°C. Do not freeze. Keep the vials in their original packaging to protect them from light. Once a vial is opened, use it immediately and discard — do not store an opened vial for later use. Keep all medicines out of the reach and sight of children. If you are also managing other health concerns, you might find it helpful to explore our wider range of allergy and hay fever treatments, as allergic eye symptoms can sometimes overlap with dry eye complaints.

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.

Xailin Fresh Carmellose 0.5% specifications
Treatment category Dry eye / ocular lubricant
Mechanism of action Lubricates and stabilises the tear film via carmellose sodium polymer
Effective for Dry, gritty, irritated, or uncomfortable eyes
Suitable for Adults and children; contact lens wearers (remove before use)
Active ingredient Carmellose sodium 0.5%
Pack sizes 30 unit dose vials
Strengths 0.5% w/v
UK classification Medical device (CE marked)
Drug class Ocular lubricant
Preparation Sterile aqueous solution
Route of administration Ophthalmic (instilled into the eye)

Specifications of Xailin Fresh Carmellose 0.5%

 

What Is Xailin Fresh Carmellose 0.5% and What Is It Used For?

 

Xailin Fresh Carmellose 0.5% is a sterile, preservative-free ocular lubricant supplied in single-use unit dose vials. It is used to relieve the symptoms of dry eye syndrome — a condition where the eyes do not produce enough tears, or where the tears evaporate too quickly. According to the NHS, dry eye syndrome is a common condition that can cause discomfort, blurred vision, and a feeling of something in the eye. The active ingredient, carmellose sodium, supplements the natural tear film to restore moisture and comfort to the eye surface.

It is available over the counter without a prescription and is suitable for adults and children. It is not a treatment for the underlying cause of dry eye, but it effectively manages the day-to-day symptoms that can significantly affect quality of life.

 

What Do You Need to Know Before Using Xailin Fresh Carmellose 0.5%?

 

Before using Xailin Fresh, it is important to be aware of the following contraindications and precautions:

  • Do not use if you are allergic to carmellose sodium or any other ingredient in the formulation.
  • Remove soft contact lenses before instilling the drops; wait at least 15 minutes before reinserting.
  • Do not use drops that have changed colour or appear cloudy.
  • Each unit dose vial is for single use only — discard immediately after use, even if some solution remains.
  • If you have an eye infection, eye injury, or have recently had eye surgery, consult your GP or ophthalmologist before use.
  • If symptoms worsen or do not improve after a few days, seek medical advice.

Regarding drug interactions, no significant interactions with other medicines have been identified for topical carmellose sodium. However:

  • If you are using other eye drops or eye ointments, allow at least 5 minutes between applications.
  • Apply eye ointments last if using alongside Xailin Fresh, as ointments can reduce the absorption of drops.

 

How Should You Use Xailin Fresh Carmellose 0.5%?

 

Using Xailin Fresh correctly ensures you get the most benefit from each dose. Follow these steps carefully:

  1. Wash your hands thoroughly with soap and water before handling the vials.
  2. Twist off the top of one unit dose vial — do not use scissors or a blade.
  3. Tilt your head back slightly and gently pull down your lower eyelid to create a small pocket.
  4. Hold the vial close to your eye without touching the tip to the eye or eyelid.
  5. Squeeze gently to instil one or two drops into the lower eyelid pocket.
  6. Blink gently a few times to spread the solution evenly across the eye surface.
  7. Repeat in the other eye if needed.
  8. Discard the vial immediately after use — do not store for later.
Indication Age Group Dose Frequency
Dry eye symptom relief Adults 1–2 drops per eye As needed, up to 4–6 times daily
Dry eye symptom relief Children (under medical guidance) 1 drop per eye As directed by a healthcare professional

 

What Are the Possible Side Effects of Xailin Fresh Carmellose 0.5%?

 

Xailin Fresh is generally very well tolerated. Most people experience no side effects at all. However, as with any eye preparation, some people may notice mild reactions, particularly when first starting treatment. If you are also managing skin-related conditions alongside eye symptoms, our skin care range may be of interest for broader symptom management.

Common side effects (may affect up to 1 in 10 people):

  • Brief stinging or burning sensation immediately after instillation
  • Temporary blurred vision lasting a few seconds to a minute
  • Mild eye irritation or watering

Less common side effects (may affect up to 1 in 100 people):

  • Redness of the eye (conjunctival hyperaemia)
  • Sticky feeling around the eyelids
  • Sensitivity to light (photophobia)

Stop using Xailin Fresh and seek medical advice promptly if you experience persistent eye pain, significant redness, swelling, or any sudden change in vision. These could indicate a more serious eye condition that requires professional assessment.

 

How Should You Store Xailin Fresh Carmellose 0.5%?

 

Correct storage helps maintain the sterility and effectiveness of the product. Follow these storage guidelines:

  • Store below 25°C in a cool, dry place.
  • Do not freeze — freezing can alter the formulation.
  • Keep the vials in their original foil packaging until ready to use, to protect from light.
  • Keep out of the reach and sight of children.
  • Do not use after the expiry date printed on the packaging.
  • Once a vial is opened, use immediately and discard — never store an opened vial.

If you are unsure about any aspect of storage or use, speak to your pharmacist. You can also explore our broader eye care collection for complementary products that support eye health and comfort.

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 Xailin Fresh Carmellose 0.5% online in the UK?

You can buy Xailin Fresh Carmellose 0.5% directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.99. No prescription is needed as it is an over-the-counter product. Simply add it to your basket and select your preferred delivery option at checkout. You can also browse our full eye care collection for other products to support your eye health.

How do carmellose eye drops work for dry eyes?

Carmellose sodium is a lubricating polymer that supplements the natural tear film, coating the surface of the eye to retain moisture and reduce friction. It mimics the mucin layer of tears, helping to stabilise the tear film and relieve the gritty, burning discomfort of dry eye syndrome. The effect is temporary, so drops can be reapplied as needed throughout the day.

How do I use Xailin Fresh eye drops step by step?

Wash your hands, then twist off the top of one unit dose vial. Tilt your head back, gently pull down your lower eyelid, and squeeze one or two drops into the pocket formed. Blink gently to spread the solution, then discard the vial immediately — never save an opened vial for later use.

How often can I use Xailin Fresh Carmellose 0.5% during the day?

You can use Xailin Fresh as often as needed to manage your dry eye symptoms, typically one to two drops per eye up to four to six times daily. Because the formulation is preservative-free, frequent use does not carry the same risk of preservative-related irritation as some other eye drops. If you find you need drops more frequently than this, speak to your pharmacist or GP.

Can I use Xailin Fresh eye drops with contact lenses?

You should remove your contact lenses before instilling Xailin Fresh and wait at least 15 minutes before reinserting them. This applies to both soft and rigid gas permeable lenses. Always follow the guidance of your optometrist regarding eye drop use alongside contact lens wear.

What are the side effects of Xailin Fresh Carmellose 0.5%?

Most people tolerate Xailin Fresh very well. The most commonly reported side effects are a brief stinging or burning sensation immediately after instillation and temporary blurred vision lasting a few seconds. If you experience persistent pain, significant redness, or any change in vision, stop using the drops and seek medical advice promptly.

Is Xailin Fresh safe to use during pregnancy or breastfeeding?

Xailin Fresh is generally considered suitable during pregnancy and breastfeeding, as carmellose sodium is not significantly absorbed into the bloodstream when applied to the eye. However, you should always consult your GP or midwife before starting any new medicine or medical device during pregnancy. They can advise based on your individual health circumstances.

What is the difference between Xailin Fresh and hypromellose eye drops?

Xailin Fresh contains carmellose sodium 0.5% and comes in preservative-free single-use vials, making it particularly suitable for people with sensitive eyes or those who need frequent applications. Hypromellose eye drops are typically supplied in multi-dose bottles that contain preservatives, which can cause irritation with prolonged use. The choice between them often depends on how frequently you need to use drops and whether you have preservative sensitivity.

Who is eligible to use Xailin Fresh Carmellose 0.5% eye drops?

Xailin Fresh is suitable for adults and children experiencing dry, gritty, or irritated eyes due to dry eye syndrome or environmental factors such as screen use, air conditioning, or wind. It is not suitable for people with a known allergy to carmellose sodium or any other ingredient in the formulation. If you have an active eye infection or have recently had eye surgery, consult your GP before use.

What happens if I accidentally use too many drops?

Using more drops than recommended is unlikely to cause serious harm, as carmellose sodium is not significantly absorbed systemically. You may experience temporary blurred vision or a watery sensation, which should resolve quickly. If you are concerned, rinse your eye gently with clean water and contact your pharmacist for advice.

How long can I use Xailin Fresh eye drops for?

Xailin Fresh can be used on a long-term basis to manage ongoing dry eye symptoms, as the preservative-free formulation is safe for extended use. If your symptoms persist or worsen despite regular use, it is worth speaking to your GP or optometrist to rule out an underlying cause such as blepharitis or Sjögren's syndrome. Do not use drops beyond the expiry date printed on the packaging.

What are the latest findings on carmellose sodium for dry eye treatment?

Carmellose sodium has been used as an ocular lubricant for many years and remains a well-supported option in clinical guidelines for managing dry eye syndrome. The NHS recommends lubricating eye drops as a first-line treatment for dry eye symptoms. Ongoing research continues to support the safety and tolerability of preservative-free formulations for long-term use.

Can Xailin Fresh eye drops interact with other eye medicines?

No significant interactions between carmellose sodium and other medicines have been identified. If you are using other eye drops or eye ointments, allow at least five minutes between applications to prevent dilution or washout. Apply eye ointments last, as they can reduce the effectiveness of drops applied afterwards.

Are there any alternatives to Xailin Fresh for dry eyes?

Yes — other ocular lubricants include hypromellose, sodium hyaluronate, and carbomer-based gels, each with slightly different viscosity and duration of action. The right choice depends on the severity of your symptoms and how often you need to use drops. You can explore the full range of options in our eye care collection or ask your pharmacist for a recommendation tailored to your needs.

Can dry eye symptoms be linked to allergies or hay fever?

Yes — allergic conjunctivitis, which is common in people with hay fever, can cause symptoms that overlap with dry eye, including redness, itching, and watering. If you suspect your eye symptoms are allergy-related rather than purely dry eye, it is worth exploring our allergy and hay fever treatments alongside speaking to your pharmacist. A correct diagnosis ensures you use the most appropriate treatment.

How Should You Use Xailin Fresh Carmellose 0.5%?

Using Xailin Fresh correctly is straightforward, but a few simple steps make a real difference to both comfort and hygiene. Always wash your hands thoroughly before handling the vials, and never touch the tip of the vial to your eye, eyelid, or any other surface.

If you wear contact lenses, remove them before instilling the drops and wait at least 15 minutes before reinserting. If you are using other eye drops at the same time, leave at least five minutes between applications.

What Is the Correct Dose of Xailin Fresh Carmellose 0.5%?

The dose of Xailin Fresh is flexible and based on your individual symptoms. There is no fixed maximum number of vials per day, but most people find that one to two drops per eye, applied up to four to six times daily, provides adequate relief. Use only as many vials as you need to keep your eyes comfortable.

When Is the Best Time to Use Xailin Fresh Carmellose 0.5%?

There is no single "best" time — Xailin Fresh is designed to be used whenever your eyes feel dry, uncomfortable, or irritated. Many people find it particularly helpful first thing in the morning when eyes can feel stiff and dry after sleep, and again during or after prolonged screen use, time spent in air-conditioned environments, or exposure to wind and dust. Using a drop before activities you know trigger your symptoms can also help prevent discomfort before it starts.

If you are using Xailin Fresh alongside other eye preparations, apply lubricating drops first and leave at least five minutes before applying any other drops. Eye ointments should always be applied last.

How Long Can You Use Xailin Fresh Carmellose 0.5% For?

Xailin Fresh is safe for long-term, ongoing use. Because it is preservative-free, there is no risk of the cumulative preservative-related toxicity that can occur with some multi-dose eye drop preparations used over extended periods. Many people with chronic dry eye syndrome use lubricating drops indefinitely as part of their daily eye care routine.

That said, if your symptoms are not improving after a week or two of regular use, or if they are getting worse, it is important to speak to your GP or optometrist. Persistent dry eye can sometimes indicate an underlying condition such as blepharitis or an autoimmune disorder that requires specific treatment beyond lubrication alone.

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 Xailin Fresh Carmellose 0.5%?

Xailin Fresh is generally very well tolerated, and the majority of people who use it experience no side effects at all. When reactions do occur, they are usually mild and short-lived, resolving within seconds to a minute of instillation. The preservative-free formulation significantly reduces the risk of irritation compared to preserved eye drops.

  • Brief stinging or burning sensation immediately after instilling the drops
  • Temporary blurred vision lasting a few seconds to around one minute
  • Mild watering of the eye immediately after use
  • A slightly sticky feeling around the eyelids

What Are the Less Common Side Effects of Xailin Fresh Carmellose 0.5%?

Less commonly, some people may notice more persistent or noticeable reactions. These are still generally mild but are worth being aware of, particularly if you are using the drops for the first time or have a history of eye sensitivity.

  • Redness of the white of the eye (conjunctival hyperaemia)
  • Increased sensitivity to light (photophobia)
  • A foreign body sensation that does not resolve quickly after instillation
  • Mild eyelid irritation or crusting around the lash line

What Are the Serious Side Effects of Xailin Fresh Carmellose 0.5%?

Serious side effects from carmellose sodium eye drops are rare. However, you should stop using Xailin Fresh immediately and seek urgent medical attention if you experience any of the following, as they may indicate a more serious eye condition unrelated to the drops themselves or, rarely, an allergic reaction.

  • Sudden or significant change in vision
  • Severe eye pain that does not resolve
  • Marked swelling of the eyelids or surrounding tissue
  • Signs of an allergic reaction such as rash, itching, or difficulty breathing

What Should You Do If You Experience Side Effects of Xailin Fresh?

If you notice mild side effects such as brief stinging or temporary blurring, these are expected and do not usually require any action beyond waiting for them to pass. Blinking gently after instillation can help spread the drops and reduce any initial discomfort. If side effects are persistent, worsening, or causing you concern, stop using the drops and speak to your pharmacist or GP as soon as possible. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Xailin Fresh Carmellose 0.5% Interact With Other Medicines?

No clinically significant interactions between carmellose sodium and other medicines have been identified. However, if you are using other eye drops or eye ointments at the same time, there are a few practical points to bear in mind. Always leave at least five minutes between applying different eye drops to prevent one preparation washing out the other. If you are using an eye ointment alongside Xailin Fresh, apply the ointment last, as its thicker consistency can reduce the effectiveness of drops applied afterwards. If you are unsure about using Xailin Fresh alongside any prescribed eye medication, speak to your pharmacist before starting.

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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