What Natural Repellents Work Best in Humid Summer Climates?
Among natural options, plant-derived essential oils—particularly citronella, geraniol, eucalyptus (including lemon eucalyptus), and peppermint—along with cedar oil, neem, and abrasive agents like diatomaceous earth, show the strongest evidence as repellents or deterrents in humid summer climates. These substances act by masking host odors or disrupting insect olfaction (essential oils), creating an unfavorable surface environment (diatomaceous…
