The present invention relates to a self-preserved oil dispersion. Especially, the present invention relates to a self-preserved oil dispersion including a dispersed oil phase, an aqueous phase and at least one surfactant, wherein said oil dispersion comprises boric acid in an amount ranging from 0.005% to 0.075% in weight of the total weight of the oil dispersion, said amount of boric acid being a preservative effective amount so that the oil dispersion has a preservative activity.