Primary. Benchmark; Tea tree; Thyme linalool These three oils are very effective at killing bacteria. I have university evidence of each of these oils killing off MRSA bacteria, in vitro, within 24 hours. Supportive. Cumin ; Eucalyptus (lemon-scented) ; Fragonia; Geranium;  Lavender; Lemon ; Lime ; Marjoram ; Melissa ;  Myrtle (lemon scented) ; Palmarosa…