I would suggest using natural bug repellent mixture that you can make at home. I use this on my dogs but when I use it on myself, it protects me as well. Here are some info:
Home-made natural flea repellent (Below are couple but there's various recipes using various essential oils. Recommendations is combining at least 4 different oils):
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http://animalwellnesspei.com/?p=22
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http://www.ehow.com/how_4925075_make-flea-control-essential-oils.html
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http://thewholedog.org/EOFleas.html