I have also been sourcing from the US a particular essential oil – Rose Geranium (Pelargonium Capitatum x Radens) known to be an effective tick repellent. Not only are ticks hard to remove they also carry Lyme disease. 1 drop on your ankles and wrists will keep them away. You can order yours here.
And finally, I will be packing my Lavender and Tea Tree oils just in case I do need to treat any bites.