... , and protect the skin from bacteria, dust, and ultraviolet ray. With low molecular HA penetrating into corium, it will slightly enlarge ... thicker. Creams made by means of emulsifying HA with oil is fine and homogeneous with stable emulsifiction. HA is the best natural ... , liquid for bath, agentfor hair washing and protection, mousse, lip stick. The incorporated quantities are about 0.05%-0.5%. Test ...