Combines 4 types of hyaluronic acid to deeply hydrate skin, help preserve its optimum moisture balance, and prepare skin for enhanced skin care ingredients absorption.contains small-size hyaluronic acid which seals the gap of medium-size hyaluronic acid to form a high density oisture barrier on skin surface to resotre skin moisture.light texture. suitable for normal/combination/oily skin.skin ph balanced. low irritation. free of fragrances, mineral oil, alcohol and colorant.