The invention relates to a method for insecticidal treatment of an element or of a living quarter, where the element or all or part of said living quarter is treated with a composition which includes:a) geraniol,b) lemongrass essential oil,c) mint essential oil,d) at least one essential oil selected from the group formed by geranium essential oil, thyme essential oil, lemon balm essential oil, clove essential oil and rosemary essential oil,e) sodium lauryl sulfate,f) and water,the composition being free of pyrethrinoids.
