
There is also an Avon skin cream that acts a repellant - can't remember the name though
Also read that taking a vitamin B supplement makes your blood taste yucky to mossies.

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. As others have said, WDW sprays relentlessly, so you may not have a problem there. What I do know is that when I do get bitten I always wish I'd packed the DEET. Remember that the mossies are active early morning and during the evening so it's probably more important to spray before you go out in the evening than before heading off for the parks in the morning.