Jungle Formula Maximum 125ml

What Is Jungle Formula Maximum Insect Repellent Spray?

Jungle Formula Maximum 125ml is a high-strength insect repellent spray containing 50% DEET (N,N-Diethyl-meta-toluamide) — one of the most widely studied and clinically recognised active ingredients for protection against biting insects. Whether you're heading to a tropical destination or simply want reliable protection in areas where mosquitoes, ticks, and midges are a concern, this spray is designed to keep you covered. It's compact enough to slip into hand luggage and provides long-lasting protection per application.

Insect bites are more than just an irritation. In certain parts of the world, mosquitoes can transmit serious diseases including malaria, dengue fever, and Zika virus. The NHS recommends using insect repellents containing DEET as part of a broader strategy to prevent insect-borne illness when travelling to at-risk regions. If you're planning a trip abroad, you'll find Jungle Formula Maximum alongside other essentials in our travel health collection.

How Does Jungle Formula Maximum Work?

DEET doesn't kill insects — it confuses them. Here's how it works:

• DEET is absorbed into the outer layer of the skin and creates a vapour barrier on the skin's surface.
• Biting insects detect humans primarily through chemical signals such as carbon dioxide and lactic acid. DEET interferes with the olfactory receptors insects use to detect these signals.
• This disruption makes it significantly harder for mosquitoes, ticks, midges, and sandflies to locate and land on treated skin.
• At 50% concentration, DEET provides extended protection — typically up to 6–8 hours per application in high-risk environments.

It's worth noting that DEET works on the skin surface, so any untreated areas remain vulnerable. Always apply evenly to all exposed skin for the best results.

Who Should Use Jungle Formula Maximum?

This product is particularly suited to adults and older children travelling to or living in regions where insect-borne diseases are a genuine risk. It's not intended for everyday low-risk use — the 50% DEET concentration is specifically designed for high-exposure environments.

• Adults travelling to tropical or subtropical regions (e.g. sub-Saharan Africa, Southeast Asia, Central and South America)
• Hikers, campers, and outdoor workers in tick-prevalent areas
• Travellers visiting areas with active malaria, dengue, or Zika transmission
• Adults who have previously found lower-strength repellents insufficient

It is not recommended for children under 2 years of age. For children aged 2 and over, use sparingly and avoid application to the hands, eyes, and mouth.

How Does Jungle Formula Maximum Compare to Lower-Strength Repellents?

Is Jungle Formula Maximum Safe to Store and Travel With?

The 125ml size is convenient for travel, though you should check current airline regulations regarding liquids in hand luggage — most airlines permit containers up to 100ml in cabin bags, so you may wish to pack this in your hold luggage. Store the product below 25°C, away from direct sunlight and heat sources. Keep the cap firmly closed when not in use and store out of reach of children.

DEET-based products can damage certain plastics, synthetic fabrics, and painted surfaces, so take care when applying near clothing or equipment. If you're also managing skin conditions during your trip, our skin care range includes products that may complement your travel health 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.

What Is Jungle Formula Maximum and What Is It Used For?

Jungle Formula Maximum 125ml is a topical insect repellent spray containing 50% DEET. It is used to protect exposed skin from biting insects including mosquitoes, ticks, midges, horseflies, and sandflies. It is particularly recommended for travel to regions where insect-borne diseases such as malaria, dengue fever, chikungunya, and Zika virus are present. The NHS advises that DEET-based repellents are among the most effective options available for travellers visiting high-risk areas.

What Do You Need to Know Before Using Jungle Formula Maximum?

Before using this product, read the following contraindications and warnings carefully:

• Do not use on children under 2 years of age.
• Avoid contact with eyes, lips, mouth, and mucous membranes.
• Do not apply to broken, irritated, sunburned, or eczematous skin.
• Do not inhale the spray — apply in a well-ventilated area or spray onto hands first, then apply to face.
• Avoid applying to the hands of young children, as they may transfer the product to their eyes or mouth.
• DEET can damage plastics, synthetic fabrics, leather, and painted surfaces — take care when applying near these materials.
• Pregnant or breastfeeding women should seek medical advice before use, although the NHS notes DEET can be used when the risk of insect-borne disease is significant.
• Do not use near open flames — the product is flammable.

Known interactions:

• No significant drug interactions are currently documented for topical DEET at standard concentrations.
• If you are using sunscreen, apply sunscreen first and allow it to absorb before applying the insect repellent spray. Note that DEET may reduce the SPF of sunscreen products.

How Should You Use Jungle Formula Maximum?

1. Shake the bottle gently before use.
2. Hold the spray approximately 15–20cm from the skin.
3. Apply evenly to all exposed areas of skin.
4. For the face, spray onto clean hands first, then apply carefully — avoiding the eyes and mouth.
5. Wash hands after application unless the hands themselves are the treated area.
6. Reapply every 4–6 hours, or sooner if you have been swimming or sweating heavily.
7. Wash treated skin with soap and water when protection is no longer needed.

If you're travelling with young children, our baby and toddler range includes age-appropriate products for younger travellers.

What Are the Possible Side Effects of Jungle Formula Maximum?

Like all products containing DEET, Jungle Formula Maximum can occasionally cause side effects, particularly if used incorrectly or on sensitive skin. Most reactions are mild and resolve quickly after washing the affected area.

Common side effects:

• Mild skin irritation or redness at the application site
• Temporary tingling or stinging sensation on sensitive skin
• Slight greasy or sticky feeling on the skin

Less common side effects:

• Rash or localised allergic skin reaction
• Eye irritation if the product accidentally contacts the eyes (rinse thoroughly with water)
• Headache or dizziness if inhaled in an enclosed space

Serious systemic reactions to topically applied DEET are rare when the product is used as directed. If you experience a severe allergic reaction — including swelling of the face, difficulty breathing, or widespread rash — seek emergency medical attention immediately.

How Should You Store Jungle Formula Maximum?

• Store below 25°C in a cool, dry place away from direct sunlight.
• Keep away from heat sources and open flames — the product is flammable.
• Keep the cap tightly closed when not in use.
• Store out of reach and sight of children.
• Do not store in a car glove compartment or anywhere that may become very warm.
• Do not use after the expiry date printed on the packaging.
• Do not dispose of in household waste — check local authority guidelines for disposal of chemical products.

For broader travel health preparation, including vaccines, antimalarials, and first aid essentials, visit our first aid collection to stock up before you travel.