How long does LMX4 numbing cream last?

The numbing effect of LMX4 typically lasts for 30–60 minutes after the cream is removed. Duration can vary depending on skin type, application time, and the area treated.

Is LMX4 cream safe to use before a tattoo?

LMX4 is commonly used as a lidocaine cream for tattoos to reduce discomfort during the procedure. Always apply to intact, unbroken skin only and follow the directions carefully.

Can children use LMX4 cream?

LMX4 may be used in children for minor procedures, but always consult a pharmacist or GP before use in young children. The dose and application time may differ from adults.

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LMX4 Lidocaine 4% Cream - 5g

Q: Where can I buy LMX4 Lidocaine 4% Cream online in the UK?

You can buy LMX4 Lidocaine 4% Cream 5g online from Cured Pharmacy, a GPhC-registered UK online pharmacy, for £5.19. It is available without a prescription as an over-the-counter topical anaesthetic.

Q: How does LMX4 lidocaine cream work?

LMX4 works by blocking sodium channels in nerve endings beneath the skin, temporarily preventing pain signals from reaching the brain. The effect typically begins within 20–30 minutes of application.

Q: How do I use LMX4 cream step by step?

Apply a thick layer of LMX4 cream to clean, dry, intact skin and cover with an occlusive dressing. Leave in place for 20–60 minutes before the procedure, then wipe away the cream before starting.

Q: What are the side effects of LMX4 lidocaine cream?

Common side effects include temporary redness, mild stinging, or a burning sensation at the application site. Serious allergic reactions are rare but require immediate medical attention.

✔️ Numbs skin within 20–30 minutes using liposomal lidocaine technology
✔️ Reduces tattoo and procedure pain on intact skin effectively
✔️ Suitable for adults and children over three months old
✔️ Compact 5g tube — ideal for single-session tattoo preparation
✔️ Contains 4% lidocaine for localised, targeted skin numbing

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Is LMX4 the Right Lidocaine Cream for Tattoos?

If you're preparing for a tattoo session or a minor skin procedure and want to take the edge off the discomfort, lidocaine cream for tattoos is one of the most widely used options available without a prescription. LMX4 Lidocaine 4% Cream contains 4% lidocaine in a liposomal base — a formulation designed to help the active ingredient penetrate the outer layers of skin more effectively than standard cream bases. At just £5.19 for a 5g tube, it's an accessible, practical choice for anyone looking to manage localised skin discomfort before a procedure. You can browse our full range of first aid products if you're stocking up on essentials alongside this cream.

Lidocaine is a well-established local anaesthetic used across a wide range of clinical and cosmetic settings. It works by temporarily blocking nerve signals in the skin, reducing the sensation of pain at the site of application. The NHS recognises lidocaine as a standard topical anaesthetic used before minor procedures such as blood tests, cannula insertion, and skin treatments.

How Does LMX4 Lidocaine 4% Cream Work?

LMX4 uses a liposomal delivery system to carry lidocaine into the deeper layers of the skin. Liposomes are tiny lipid-based vesicles that fuse with skin cell membranes, allowing the active ingredient to reach the nerve endings more efficiently than a conventional cream. Here's how the process works:

You apply the cream to clean, intact skin and cover it with an occlusive dressing.
The liposomal particles begin penetrating the stratum corneum (the outermost skin layer) within minutes.
Lidocaine reaches the nerve endings beneath the skin and blocks sodium ion channels.
This prevents the nerve from generating or transmitting pain signals to the brain.
Numbing typically begins within 20–30 minutes and can last up to 60 minutes after removal.

It's worth noting that the numbing effect is localised — it only affects the area where the cream has been applied. It does not enter the bloodstream in significant amounts when used correctly on intact skin.

Who Should Use LMX4 Lidocaine 4% Cream?

LMX4 is suitable for adults and children (under appropriate guidance) who need temporary skin numbing before a minor procedure or cosmetic treatment. It's particularly popular among people who experience anxiety around needles or pain during tattoo sessions. That said, it's not appropriate for everyone — always read the label carefully.

Adults preparing for tattoo sessions who want to reduce discomfort
People undergoing minor skin procedures such as laser treatments or waxing
Patients anxious about needle-based procedures like blood tests or injections
Individuals with a low pain threshold who need localised numbing on intact skin

How Does LMX4 Compare to Other Numbing Creams?

Feature	LMX4 Lidocaine 4% Cream	EMLA Cream (Lidocaine 2.5% / Prilocaine 2.5%)
Active ingredient(s)	Lidocaine 4%	Lidocaine 2.5% + Prilocaine 2.5%
Delivery system	Liposomal base	Oil-in-water emulsion
Onset of action	20–30 minutes	45–60 minutes
OTC availability	Yes	Yes (some formulations)

Is LMX4 Suitable for Sensitive Skin and How Should It Be Stored?

If you have sensitive skin or a history of allergic reactions to local anaesthetics, speak to your pharmacist before using this cream. Lidocaine cream for tattoos should only ever be applied to intact, unbroken skin — never on open wounds, inflamed areas, or near the eyes and mucous membranes. Store LMX4 below 25°C, away from direct sunlight, and keep it out of reach of children. Do not freeze the product. If you're also managing other skin concerns, our skin care collection includes a range of products that may complement your 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.

LMX4 Lidocaine 4% Cream 5g specifications

Treatment category	Topical anaesthetic / First aid
Mechanism of action	Sodium channel blockade via liposomal lidocaine delivery
Effective for	Skin numbing before tattoos, minor procedures, and injections
Suitable for	Adults and children (with guidance); intact skin only
Active ingredient	Lidocaine 4%
Pack size	5g
Strength	4% w/w
UK classification	General Sale / OTC
Drug class	Local anaesthetic (amide type)
Preparation	Cream (liposomal base)
Route of administration	Topical (cutaneous)

Specifications of LMX4 Lidocaine 4% Cream 5g

What Is LMX4 Lidocaine 4% Cream and What Is It Used For?

LMX4 Lidocaine 4% Cream is a topical local anaesthetic containing 4% lidocaine in a liposomal formulation. It is used to temporarily numb the surface of the skin before minor painful procedures. Common uses include preparation for tattoo sessions, laser skin treatments, waxing, blood tests, and cannula insertion. The cream is applied to intact skin and left under an occlusive dressing for a set period before the procedure begins. It is available over the counter and does not require a prescription for most adult uses.

What Do You Need to Know Before Using LMX4 Lidocaine 4% Cream?

Before applying LMX4, it's important to check whether it is appropriate for you. Do not use this cream if any of the following apply:

You are allergic to lidocaine, any other amide-type local anaesthetic, or any ingredient in the cream
The skin in the treatment area is broken, infected, inflamed, or eczematous
You are applying it near the eyes, ears, or mucous membranes
You are using it on a child under 3 months old without medical supervision
You have a condition called methaemoglobinaemia or glucose-6-phosphate dehydrogenase (G6PD) deficiency

The following medicines may interact with lidocaine when used topically in large amounts or over large areas:

Antiarrhythmic drugs such as mexiletine or amiodarone — may increase the risk of cardiac side effects
Other local anaesthetics — additive effects possible if used simultaneously
Cimetidine and beta-blockers — may reduce lidocaine clearance in the body

Always tell your pharmacist about any medicines you are currently taking, including herbal remedies and supplements. If you're looking for other pain relief options, our collection includes a variety of products for different types of discomfort.

How Should You Use LMX4 Lidocaine 4% Cream?

Using LMX4 correctly is key to getting the best numbing effect. Follow these steps carefully:

Wash and dry the area of skin where you plan to apply the cream.
Apply a thick layer of LMX4 cream directly to the skin — do not rub it in.
Cover the cream with an occlusive dressing (such as cling film or a supplied dressing) to keep it in place.
Leave the cream on for 20–60 minutes, depending on the procedure and depth of numbing required.
Remove the dressing and wipe away all remaining cream before the procedure begins.
Do not apply to more skin than necessary, and do not leave on longer than directed.

Indication	Age Group	Dose	Application Time
Minor skin procedures / tattoos	Adults	Thick layer to affected area (up to 10g per site)	30–60 minutes
Needle procedures (e.g. blood tests)	Adults and children over 3 months	Thin to moderate layer	20–30 minutes
Children (under medical guidance)	3 months – 12 years	As directed by a healthcare professional	As directed

What Are the Possible Side Effects of LMX4 Lidocaine 4% Cream?

Like all medicines, LMX4 can cause side effects, although not everyone experiences them. Most side effects are mild and localised to the area of application.

Common side effects:

Temporary redness (erythema) at the application site
Mild burning or stinging sensation during or after application
Skin pallor (paleness) or slight swelling at the treated area
Itching or a feeling of warmth on the skin

Less common side effects:

Contact dermatitis or localised skin irritation
Oedema (swelling) at the application site
Rarely, methaemoglobinaemia — a condition where the blood's ability to carry oxygen is reduced (more likely with excessive use or in young children)

Serious allergic reactions (anaphylaxis) are very rare but can include swelling of the face, difficulty breathing, or a sudden drop in blood pressure. If you notice any of these symptoms, stop using the cream immediately and seek emergency medical help. You can also find further guidance in our creams and ointments section for related topical products.

How Should You Store LMX4 Lidocaine 4% Cream?

Store below 25°C in a cool, dry place away from direct sunlight
Do not freeze the product — freezing can alter the liposomal formulation
Keep the tube tightly closed when not in use
Keep out of the reach and sight of children at all times
Do not use after the expiry date printed on the tube or carton
Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacy

References

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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 LMX4 Lidocaine 4% Cream online in the UK?

You can buy LMX4 Lidocaine 4% Cream 5g directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.19. No prescription is needed for this over-the-counter topical anaesthetic. It's available for fast UK delivery, making it easy to have it ready before your appointment or tattoo session.

How does LMX4 lidocaine cream work in the body?

LMX4 uses a liposomal delivery system to carry lidocaine through the outer layers of the skin to the nerve endings beneath. Once there, lidocaine blocks sodium ion channels, which prevents the nerve from generating or transmitting pain signals. The result is a temporary, localised numbing effect that typically begins within 20–30 minutes of application.

How do I use LMX4 cream step by step?

Start by cleaning and drying the area of skin you want to numb. Apply a thick layer of LMX4 cream without rubbing it in, then cover it with an occlusive dressing such as cling film. Leave it in place for 20–60 minutes, then wipe away all the cream before your procedure begins.

How long does LMX4 numbing cream take to work?

LMX4 typically begins to numb the skin within 20–30 minutes of application under an occlusive dressing. For deeper or more prolonged numbing — such as before a tattoo — leaving it on for up to 60 minutes may provide a more effective result. The numbing effect generally lasts for 30–60 minutes after the cream is removed.

Is LMX4 cream safe to use before getting a tattoo?

Yes, LMX4 is one of the most commonly used lidocaine creams for tattoos in the UK, applied to intact skin before the needle touches the area. It's important to wipe the cream away completely before the tattooing begins, as residue can affect ink absorption. Always follow the directions and do not apply to broken or irritated skin.

What are the side effects of LMX4 lidocaine cream?

The most common side effects are mild and localised, including temporary redness, a slight burning or stinging sensation, and skin pallor at the application site. These usually resolve quickly once the cream is removed. Serious allergic reactions are rare but require immediate medical attention — stop use and call 999 if you experience swelling of the face, difficulty breathing, or dizziness.

Can children use LMX4 lidocaine cream?

LMX4 can be used in children aged 3 months and over for minor procedures, but only under the guidance of a healthcare professional. The dose and application time should be adjusted based on the child's age and weight. Do not use in babies under 3 months old without specific medical advice.

What is the difference between LMX4 and EMLA cream?

LMX4 contains 4% lidocaine in a liposomal base, while EMLA cream contains a combination of lidocaine 2.5% and prilocaine 2.5% in an emulsion. The liposomal delivery in LMX4 may allow for a faster onset of numbing compared to EMLA's standard emulsion base. Both are available over the counter in the UK for topical skin numbing.

Who should not use LMX4 lidocaine cream?

You should not use LMX4 if you are allergic to lidocaine or any amide-type local anaesthetic. It should also be avoided on broken, infected, or inflamed skin, and must not be applied near the eyes or mucous membranes. People with methaemoglobinaemia or G6PD deficiency should speak to a doctor before use.

How long does the numbing effect of LMX4 last after removal?

After you wipe away LMX4 cream, the numbing effect typically lasts for around 30–60 minutes, though this can vary depending on skin type, the area treated, and how long the cream was left on. Thicker skin areas such as the back or thighs may experience a shorter duration of effect than thinner-skinned areas.

Can I use LMX4 cream on my face?

LMX4 can be applied to facial skin for procedures such as laser treatments or cosmetic injections, provided the skin is intact and the cream is kept well away from the eyes, nostrils, and mouth. Use a smaller amount on the face and do not leave it on for longer than directed. If you're unsure, speak to your pharmacist or treating practitioner first.

Does LMX4 cream interact with any other medicines?

When used as directed on small areas of intact skin, significant drug interactions are unlikely. However, if you are taking antiarrhythmic medicines such as mexiletine or amiodarone, or other local anaesthetics, speak to your pharmacist before use. Using LMX4 over large areas or for extended periods increases the risk of systemic absorption and potential interactions.

How long can you use LMX4 cream for?

LMX4 is intended for short-term, occasional use before specific procedures rather than as a long-term daily treatment. There is no defined maximum number of uses, but you should not apply it continuously or over large areas of skin without medical advice. If you find yourself needing it frequently for ongoing pain, speak to your GP about alternative pain relief options.

What are the alternatives to LMX4 numbing cream?

The main alternative topical anaesthetic available in the UK is EMLA cream, which contains lidocaine and prilocaine. Other options include lidocaine gel or spray formulations used in clinical settings. For general skin discomfort unrelated to procedures, you might also explore our creams and ointments collection for suitable alternatives.

What are the latest studies on lidocaine cream for tattoos?

Research into topical lidocaine for tattoo pain management is ongoing, with studies generally supporting its effectiveness in reducing procedural discomfort when applied correctly before skin penetration. Liposomal formulations like LMX4 have been shown in clinical literature to offer faster skin penetration compared to conventional cream bases. Always use evidence-based products from registered pharmacies rather than unregulated alternatives sold online.

How Should You Use LMX4 Lidocaine 4% Cream?

LMX4 is straightforward to use, but getting the application right makes a real difference to how well it works. Always apply to clean, dry, intact skin only — never on broken, inflamed, or infected areas. The cream should be applied generously without being rubbed in, as the liposomal particles need to sit on the skin surface to penetrate gradually.

Follow these steps for correct application:

What Is the Correct Dose of LMX4 Lidocaine 4% Cream?

The amount of cream you use will depend on the size of the area being treated and the type of procedure. Do not apply more than necessary, and avoid covering very large areas of skin at once, as this increases the risk of systemic absorption.

When Is the Best Time to Use LMX4 Lidocaine 4% Cream?

Timing is everything with a topical anaesthetic. Apply LMX4 approximately 30–60 minutes before your procedure is due to begin, as this gives the lidocaine enough time to penetrate the skin and reach the nerve endings. For thicker skin areas — such as the back, thighs, or upper arms — allowing the full 60 minutes will generally produce a more effective numbing result.

Do not apply the cream too far in advance. Leaving it on for longer than 60 minutes does not significantly improve the numbing effect and may increase the risk of skin irritation or unwanted systemic absorption. Plan your timing carefully so the cream is removed just before your appointment starts.

How Long Can You Use LMX4 Lidocaine 4% Cream For?

LMX4 is designed for short-term, occasional use before specific procedures — it is not intended as a daily or long-term treatment. There is no set limit on how many times you can use it over a lifetime, but you should not apply it repeatedly to the same area in quick succession without allowing the skin to recover between applications.

If you find you are needing a topical anaesthetic very frequently, or if you are using it to manage ongoing pain rather than procedural discomfort, speak to your GP or pharmacist. They can help identify the underlying cause and recommend a more appropriate treatment plan.

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

What Are the Most Common Side Effects of LMX4 Lidocaine 4% Cream?

Most people who use LMX4 correctly experience only mild, localised side effects that resolve quickly once the cream is removed. These reactions occur at the site of application and are generally not a cause for concern.

Temporary redness (erythema) of the skin
Mild burning or stinging sensation during or shortly after application
Skin pallor (paleness) or blanching at the treated area
A feeling of warmth or tingling on the skin surface
Slight swelling or puffiness at the application site

What Are the Less Common Side Effects of LMX4 Lidocaine 4% Cream?

Less frequently, some people may experience more noticeable skin reactions, particularly if they have sensitive skin or leave the cream on for longer than recommended. These are still generally mild but worth being aware of.

Contact dermatitis — an itchy, red, or blistered skin reaction
Localised oedema (swelling) that persists after the cream is removed
Skin discolouration or altered texture at the application site
Prolonged numbness lasting beyond the expected window

What Are the Serious Side Effects of LMX4 Lidocaine 4% Cream?

Serious side effects from LMX4 are rare when the cream is used as directed on small areas of intact skin. However, applying it over large areas, using it for extended periods, or using it on broken skin can increase the risk of systemic absorption of lidocaine, which may lead to more significant effects.

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

Signs of a serious allergic reaction (anaphylaxis): swelling of the face, lips, or throat; difficulty breathing; sudden drop in blood pressure
Methaemoglobinaemia: bluish discolouration of the lips or fingernails, shortness of breath, or confusion — this is a rare but serious condition affecting the blood's ability to carry oxygen
Dizziness, confusion, or seizures — signs of systemic lidocaine toxicity
Irregular heartbeat or chest pain

What Should You Do If You Experience Side Effects of LMX4?

If you notice mild skin reactions such as redness or stinging, simply remove the cream and rinse the area with cool water. These effects should settle within a short time. Do not reapply the cream to the same area until the skin has fully recovered.

For any serious or unexpected symptoms — particularly those suggesting a systemic reaction — stop using LMX4 immediately and seek urgent medical help. Call 999 in an emergency or contact NHS 111 for non-emergency guidance. You should also report any suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can LMX4 Lidocaine 4% Cream Interact With Other Medicines?

When used correctly on small areas of intact skin, the risk of drug interactions with LMX4 is low. However, if you are taking any of the following medicines, speak to your pharmacist before use:

Antiarrhythmic drugs such as mexiletine or amiodarone — may increase the risk of cardiac effects if lidocaine is absorbed systemically
Other local anaesthetics — additive effects are possible if used at the same time
Cimetidine or beta-blockers — may slow the breakdown of lidocaine in the body

Always inform your pharmacist or healthcare provider about all medicines you are taking, including over-the-counter products and herbal supplements, before using LMX4.

If you are concerned about any side effects, contact your pharmacist or GP immediately.