Maybe hanging a bug strip from your sunglasses would work...

Because DEET is dangerous:

DEET, a common pesticide, has been linked to neurological problems in children. Studies by Mohamed Abou-Donia, who holds the dual titles of professor of pharmacology and cancer biology and professor of neurobiology at Duke University, show that prolonged exposure to DEET can impair brain function in adults.

There are numerous natural repellents available, many made with strong-smelling natural oils such as citronella or geranium. Natural repellent creams and sprays usually require more frequent application than chemical repellents.

Or wearing a potted geranium as a hat?...