Natural compositions of three essential oils, a carrier, and a solvent are effective as both a head lice deterrent and treatment of pediculosis capitis. In some embodiments, the compositions comprise, at least, essential tea tree oil present in an amount of about 8-25 wt. %, essential peppermint oil in an amount of about 2-20 wt. %, essential lavender oil in an amount of about 1-25 wt. %, propylene glycol in an amount of about 10-50 wt. %, and SD alcohol 40B in an amount of about 20-80 wt. %. A system comprises the compositions used in combination with articles of manufacture, and more specifically hair accessories such as hairbands, hair ties, and other personal products treated with one or more compositions. A method comprises administering the system to a user.
