DEEP PENETRATE --- This Rose Serum can deep penetrate, nourish, condition the skin and improve the dry skin..In case of sensitive skin, please test the serum on the inside of the arm first. Proceed to use Rose Serum as normal if there is no discomfort. If you got the faulty products, please contact us asap, we would get back with you within 24 hours PERFECT HYDRATING ABILITY --- This hydrating Serum contains small molecules Hyaluronic Acid and Trehalose, which have good hydrating properties, and can prevent dry skin and improve fine lines and dullness caused by dry skin. Can be mixed with liquid foundation to make the makeup more docile. CALM IRRITATED SKIN --- Not only can reduce fine lines and wrinkles cause by dryness, but also can calm irritated skin, and locks skin moisture for a pH balancing. This Rose Serum can be used for face, eye and hand or neck. REFRESHING AND NOT GREASY --- No oily residue left behind. This Rose Serum quickly absorbs without a heavy or sticky feel. Recommended for all skin types. Suitable on face and neck for firming and lifting skin. 30-DAY MANUFACTURER FRIENDLY SERVICE -- Come with friendly service, if for any reason you feel our 24K Gold Rose Serum is not for you, or you simply don't like them, this item is returnable, Please contact us.