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3M™ Ultrathon™ Insect Repellent provides long lasting protection from biting insects via advanced Time Release Technology. Used by the UK Armed Forces, recommended by Ray Mears, Ultrathon repellent assures the right protection at home & abroad for you and your family.

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Up to 12 hours of protection against a range of biting insects

Not just mosquitoes, Ultrathon will provide you with long lasting protection against bites from ticks, midges, sandflies, horseflies, fleas and gnats.

Tropical Strength - with low DEET

The Time Release Technology means Ultrathon Insect Repellent requires a lower level of DEET than other tropical strength repellents, which in turn produces a more pleasant odour for the user.
Learn more about DEET.

Advanced Time Release Technology

The Time Release Technology enables DEET, which repels mosquitoes, midges and other biting insects, to be released over a longer period of time.

Splash & Sweat Resistant

Ultrathon’s unique formulation enables the product to resist splashes and perspiration meaning you can keep on being active outdoors.

The secret behind Ultrathon Insect Repellent

Initially developed for the military to provide long lasting protection in tropical environments, the Time Release Technology enables DEET, which repels mosquitoes, midges and other biting insects, to be released over a longer period of time. The benefit for regular holidays in the UK and abroad is a reduced need for reapplication and peace of mind for you & your family.

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Product range

Ultrathon™ Insect Repellent

Ultrathon Insect Repellent Lotion

Containing only 34% DEET, Ultrathon lotion provides up to 12 hours' protection against mosquitoes from one application.
Used by the UK Military.
RRP £
8.29

Product available on 3M Select:
no

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Ultrathon™ Insect Repellent

Ultrathon Insect Repellent Spray

Containing only 25% DEET, Ultrathon spray provides up to 8 hours' protection against mosquitoes from one application.
RRP £
8.29

Product available on 3M Select:
no

Add to Cart
 
Ultrathon™ Insect Repellent

Ultrathon Insect Repellent Pump Spray

Containing only 35% DEET, Ultrathon Pump Spray provides up to 12 hours' protection against mosquitoes from one application.
RRP £
8.49

Product available on 3M Select:
no

Add to Cart


I know that I can keep on going for longer with Ultrathon - that is incredibly reassuring" Ray Mears

Ray Mears is an author and TV presenter on the subject of bushcraft and survival techniques, best known for Ray Mears' Bushcraft, World of Survival and Extreme Survival.