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Asymmetrical structure moisturizing mask pack

Last updated:

Abstract:

The present invention relates to an asymmetric structure moisturizing mask pack comprising a polylactide. More specifically, the present invention relates to a porous membrane mask pack prepared from copolymers of polylactide and polyvinyl alcohol, wherein the skin contact surface of the mask pack is hydrophilic and the back surface thereof is hydrophobic.

Status:
Grant
Type:

Utility

Filling date:

4 Dec 2017

Issue date:

21 Dec 2021