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Insect repellent, how much DEET required?

Hong Kong
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Insect repellent, how much DEET required?

How much DEET is required for insect repellent please? Any advice?

Washington DC...
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1. Re: Insect repellent, how much DEET required?

The DEET-containing product you buy need not have more than 30% DEET. Most will use if outside between dusk and dawn, making sure exposed areas are covered, especially aroung ankles/legs. Once in accommodation at night, best to wash off as DEET is absorbed. Lemon eucalyptus-containing products (Mosi-guard, Repel) also work well without DEET, which some people prefer to avoid.

Fordingbridge...
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2. Re: Insect repellent, how much DEET required?

We use Mosiguard, it works fine. However, it doesn't last as long as Deet products, so must be applied more frequently.

Mtwapa, Kenya
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for Barcelona, Newcastle upon Tyne, Bamburi, Mtwapa
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3. Re: Insect repellent, how much DEET required?

Hi,

The percentage of DEET refers to how long the application lasts, not how effective it is at keeping insects away, see this from Guidelines for Malaria Prevention in Travellers from the UK:

"Duration of protection is 1 to 3 hours for 20%, up to 6 hours for 30% and up to 12 hours for 50% DEET. There is no further increase in duration of protection beyond a concentration of 50%. Sweat-off time varies with activity. The interval between applications depends on this as well as the DEET formulation and concentration used."

The active ingredient in effective natural repellents such as Mosi-Guard is Citriodiol or Citrepel.

More info in the 'FAQ - Which insect repellents are effective?' on the right of this page

Nairobi, Kenya
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for Nairobi, Kenya
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4. Re: Insect repellent, how much DEET required?

If you the time in your tight schedule to go to local supermarket, go for Ballet Mossie Repellant lotion made with Eucalyptus.

Works like magic.

5. Re: Insect repellent, how much DEET required?

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