The present invention relates to cosmetic technical field, more particularly to a kind of composition and its application in moisture-keeping cosmetics are prepared.Each component cooperates in prescription provided by the invention.Raising skin moisture content is played jointly, reduces the lost effect of moisture of skin.The effect is compared with being used alone certain component or certain several component, all raisings with conspicuousness.Illustrate under appropriate proportioning, each component compounding, synergistic effect is generated, so as to improve moistening effect.