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General FAQ

How many drops are in a single 7.5ml bottle of Hycosan Extra?
Each 7.5ml bottle is designed with a COMOD delivery system that guarantees at least 225 equal-sized drops.
How many times per day should I use Hycosan Extra eye drops?
While you can use them as often as needed, the standard recommendation is to apply one drop into each eye three times daily.
Can I use Hycosan Extra more than 10 times a day without a prescription?
If you find yourself needing the drops more than 10 times daily, you should consult an eye doctor or pharmacist to rule out underlying issues.
Do I need to prime the Hycosan Extra bottle before the first use?
Yes, you must prime the bottle by pumping the base repeatedly until the first drop appears before your initial application.
What is the correct way to hold the Hycosan Extra bottle during application?
Hold the bottle upside down with your thumb near the nozzle and two fingers on the base to activate the pump mechanism effectively.
Should I close my eyes or blink after applying Hycosan Extra?
It is recommended to close your eyes gently for about one minute after application to allow the 0.2% sodium hyaluronate to spread evenly.
Can I share my Hycosan Extra bottle with a family member?
No, each bottle should be used by only one person to prevent cross-contamination and maintain ocular hygiene.
Is Hycosan Extra safe to use with all types of contact lenses?
Hycosan Extra is fully compatible with both hard and soft contact lenses, and you do not need to remove them before use.
Does Hycosan Extra contain any preservatives or phosphates?
Hycosan Extra is entirely preservative-free and phosphate-free, making it gentle for sensitive eyes and long-term use.
Can I use Hycosan Extra if I am pregnant or breastfeeding?
Based on available evidence, Hycosan Extra is considered safe for use by pregnant and breastfeeding women.
Are there any common side effects of using Hycosan Extra?
Side effects are rare, though some users may experience a brief period of blurred vision immediately after application due to the drop's thickness.
Is Hycosan Extra suitable for children with dry eyes?
Yes, this formulation is suitable for children as well as adults suffering from persistent dry eye symptoms.
What should I do if I experience irritation after using the drops?
If you experience localised irritation, stop using the product immediately and speak with a healthcare professional if symptoms persist.
How long does a bottle of Hycosan Extra last after it has been opened?
The unique bottle design keeps the solution sterile for up to six months after the first opening.
Do I need to keep Hycosan Extra in the refrigerator?
No, Hycosan Extra should be stored at room temperature (not exceeding 25°C) and should not be refrigerated.
How can I tell if my Hycosan Extra bottle has expired?
The expiry date is printed on the packaging, and the product should not be used beyond this date even if it hasn't been opened for six months.
What is the concentration of Sodium Hyaluronate in Hycosan Extra?
Hycosan Extra contains 0.2% Sodium Hyaluronate, which is double the concentration of the original Hycosan formula.
What is the difference between Hycosan Extra and Hycosan Original?
Hycosan Extra is four times more viscous than the Original version, making it better for moderate to severe dry eye.
Is Hycosan Extra the same product as Hylo-Forte?
Yes, Hylo-Forte is often considered the pharmaceutical version of Hycosan Extra, sharing the same 0.2% concentration and manufacturer.
When should I choose Hycosan Intense over Hycosan Extra?
Hycosan Intense is typically reserved for severe inflammatory dry eye symptoms and includes Ectoin for added protection.
Is Hycosan Extra better for screen fatigue than Hycosan Fresh?
While Extra works for severe cases, Hycosan Fresh is specifically formulated with Euphrasia to refresh eyes tired from screen use.
Can Hycosan Extra be used alongside other eye medications?
If using other eye drops, you should wait at least 30 minutes before applying Hycosan Extra.
What are the inactive ingredients in Hycosan Extra?
The solution includes citric acid anhydrous, sodium citrate, sorbitol, and water for injections.
Does Hycosan Extra help with the symptoms of Blepharitis?
Hycosan Extra helps manage the dry eye symptoms associated with Blepharitis, though it should be part of a broader eyelid hygiene routine.
Can I use Hycosan Extra after having cataract surgery?
Yes, it is often recommended by surgeons for post-operative care to keep the eye lubricated during healing.
Is Hycosan Extra effective for 'gritty' eye sensations?
The high viscosity of the 0.2% hyaluronic acid forms a stable moisture film that specifically targets gritty and sore sensations.
Will Hycosan Extra permanently cure my dry eye syndrome?
No, Hycosan Extra is designed to manage and relieve symptoms rather than cure the underlying cause of dry eye.
Can Hycosan Extra be used at night for overnight relief?
While it can be used before bed, Hycosan Night ointment is generally preferred for dedicated six-hour overnight protection.
Can I get Hycosan Extra on an NHS prescription in the UK?
Availability on the NHS varies by region, though many GPs may prescribe the identical Hylo-Forte instead.
How quickly will I feel relief after applying Hycosan Extra?
Most users experience rapid relief as the drops replenish the tear film almost immediately upon contact.
How many times a day should I ideally apply Hycosan Extra for chronic dry eyes?
It is generally recommended to apply one drop into each eye 3 to 4 times daily, though it can be used more frequently if needed.
Is it safe to use Hycosan Extra eye drops every single day for long-term relief?
Yes, Hycosan Extra is completely preservative-free and clinically proven for safe, long-term daily use.
Can I use these eye drops more than 10 times a day if my eyes feel very gritty?
While you can use them as required, it is advised to consult an eye specialist if you need to apply them more than 10 times per day.
Do I need to remove my contact lenses before applying Hycosan Extra drops?
No, these drops are fully compatible with all types of contact lenses and do not require lens removal before application.
How long should I wait between using Hycosan Extra and other medicated eye drops?
You should wait at least 15 to 30 minutes after using other eye medications before applying Hycosan Extra.
Is it normal for my vision to be slightly blurry immediately after using these drops?
Temporary mild blurring is normal due to the high viscosity of the solution and typically clears within a few minutes.
Are these drops suitable for children suffering from persistent dry eye symptoms?
Hycosan Extra is suitable for children of all ages, though consultation with a professional is recommended for children under six.
Can I use Hycosan Extra safely while I am pregnant or breastfeeding?
Yes, based on available evidence, these drops are considered safe for use during pregnancy and lactation.
How long can I keep a bottle of Hycosan Extra once it has been opened?
A single bottle remains sterile and safe to use for up to 6 months after the first opening.
How many individual drops are typically contained in one 7.5ml bottle?
Each 7.5ml bottle is designed to deliver at least 225 measured drops using its unique pump system.
What is the correct way to prime the Hycosan Extra bottle for the first use?
Turn the bottle upside down and pump the base repeatedly (between 5-20 times) until the first drop appears at the tip.
Does the bottle have a special mechanism to prevent bacteria from entering the solution?
Yes, it uses a patented COMOD® airless system with a silver spring to kill bacteria and prevent backflow contamination.
Why is the Hycosan Extra bottle designed as a pump instead of a squeezy bottle?
The pump system ensures a preservative-free solution stays sterile for months while delivering a consistent, single-drop dose every time.
Should I store my Hycosan Extra bottle in the fridge to keep it fresh?
No, it should be stored at room temperature and must not be stored above 25°C.
Is there a way to tell how many drops are left in the opaque pump bottle?
While the bottle is opaque for protection, it is technically designed to contain at least 225 drops, though a tiny amount of liquid always remains at the end.
What is the main difference between Hycosan Extra and Hycosan Fresh?
Hycosan Extra (Red box) is for severe dry eyes, whereas Hycosan Fresh (Green box) is for mild irritation or tired eyes.
Is Hycosan Extra more viscous than the original Hycosan (Blue box) version?
Yes, Hycosan Extra contains 0.2% Sodium Hyaluronate, making it four times more viscous than the Original version.
How does Hycosan Extra compare to Hylo Forte eye drops?
Both products have identical 0.2% Sodium Hyaluronate formulations; the main difference is the brand name and the bottle size (7.5ml vs 10ml).
When should I choose Hycosan Plus over the Hycosan Extra variant?
Choose Hycosan Plus if you need to support corneal healing after surgery or injury, as it contains added Dexpanthenol.
Can Hycosan Extra be used as a daytime alternative to thick eye ointments?
Yes, its high viscosity makes it an excellent, less-blurry daytime alternative for people who usually require night ointments.
Is Hycosan Extra effective for managing symptoms of Sjogren’s syndrome?
Many users with Sjogren’s find it highly effective because it provides the intensive, preservative-free lubrication needed for extremely dry eyes.
Does Hycosan Extra help with the grittiness felt after LASIK eye surgery?
Yes, it is specifically designed for therapeutic lubrication following surgical interventions like LASIK.
Is this product suitable for someone with very sensitive eyes?
Absolutely, it is formulated without preservatives or phosphates specifically to minimize irritation for sensitive users.
What is the active ingredient responsible for the lubricating effect in Hycosan Extra?
The active ingredient is Sodium Hyaluronate (0.2%), a natural substance that helps replenish the eye's tear film.
Are there any known side effects from using Hycosan Extra regularly?
Side effects are very rare as it uses naturally occurring ingredients, though you should stop use if localized irritation occurs.
Does Hycosan Extra contain any phosphates that could damage the cornea?
No, it is 100% phosphate-free to ensure it is safe for eyes with a damaged ocular surface.
What should I do if I accidentally swallow some of the Hycosan Extra liquid?
These drops are for ocular use only and should not be swallowed; consult a doctor if ingestion occurs.
Will Hycosan Extra sting my eyes upon application?
Most users do not experience stinging, though a very brief, mild sensation may occur that passes quickly.
Can I use these drops if the protective seal on the box is broken?
No, do not use the product if any part of the protective seal is damaged before its first use.
Does Hycosan Extra help with redness caused by staring at computer screens?
While it helps with the dryness from screen use, Hycosan Fresh is specifically marketed for refreshing red and tired eyes.