* Beautyberry (Callicarpa) leaves
* Birch tree bark is traditionally made into tar. Combined with another oil (e.g., fish oil) at 1/2 dilution, it is then applied to the skin for repelling mosquitos
* Bog myrtle (Myrica gale)
* Catnip oil whose active compound is Nepetalactone
* Citronella oil (citronella candles are not effective)
* Essential oil of the lemon eucalyptus (Corymbia citriodora) and its active compound p-menthane-3,8-diol (PMD)
* Lemongrass
* Neem oil
* Tea tree oil from the leaves of Melaleuca alternifolia
* Tobacco