PROPYLENE GLYCOL HYALURONATE, AND SKINCARE PREPARATION FOR EXTERNAL USE COMPRISING SAME

摘要

Disclosed is a propylene glycol hyaluronate ester having an esterification degree of 10-90% and a limiting viscosity of less than 3 dL/g. This propylene glycol hyaluronate ester has an excellent percutaneous absorption promoting activity, and is widely applicable as a cosmetic preparation or a pharmaceutical product.