1Hydrating facial serums is specially designed to soothes your facial skin and brightens the complexion. 2It can also repair damaged skin, relieve dry skin, and keep facial wateroil balance. 3The serum is designed to be smeared, convenient and effective, and it is easily absorbed by the skin. 4Made of high quality hyaluronic acid, safe and harmless, won't cause any irritation to your skin. 5Hydrating facial serum is suitable for all skins, it can make you have a hydrated face.