Scenedesmus microalgae grows in extremely dry Sahara desert conditions, the microalgae has the effect of replenishing water and retaining water, giving the skin a strong protective film to prevent water evaporation on the skin, strengthening the skin. The ability to defend and regulate the level of oil secretion, promote the hydrate effect on the skin epidermis, make the skin always in a state of timely hydration, and no longer have the phenomenon of oily shine on the skin.