The invention provides a biodegradable aqueous composition based on natural extracts (natural essences and essential oils), quaternary ammonium, propylene glycol, Cellocize, EDTA, Tween 80, boric acid, aromas, colorants and water, for cleansing, disinfecting as an antiseptic and possessing a broad-spectrum bactericidal activity, ie bactericidal at once on gram positive and gram negative bacteria; also as an insecticide or at least as an insect repellent and as a freshener.