US 11,998,623 B2
Water-soluble unidirectional moisture transport traditional Chinese medicine facial mask and preparation thereof
Jinlian Hu, Kowloon (HK); Yifan Si, Kowloon (HK); Shuo Shi, Kowloon (HK); and Chunxia Guo, Kowloon (HK)
Assigned to City University of Hong Kong, Kowloon (HK)
Filed by City University of Hong Kong, Kowloon (HK)
Filed on Jul. 29, 2022, as Appl. No. 17/877,005.
Claims priority of application No. 202111192818.4 (CN), filed on Oct. 13, 2021.
Prior Publication US 2023/0111046 A1, Apr. 13, 2023
Int. Cl. A61K 8/02 (2006.01); A61K 8/20 (2006.01); A61K 8/34 (2006.01); A61K 8/73 (2006.01); A61K 8/92 (2006.01); A61K 8/9789 (2017.01); A61K 8/9794 (2017.01); A61Q 19/00 (2006.01)
CPC A61K 8/0212 (2013.01) [A61K 8/20 (2013.01); A61K 8/345 (2013.01); A61K 8/731 (2013.01); A61K 8/735 (2013.01); A61K 8/922 (2013.01); A61K 8/9789 (2017.08); A61K 8/9794 (2017.08); A61Q 19/007 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A dry facial mask, comprising:
a superhydrophilic substrate including a first lateral surface and a second lateral surface;
a hydrophobic layer provided on the first lateral surface of the superhydrophilic substrate; and
a facial mask effective ingredient comprising a traditional Chinese medicine colloid of Bletilla striata gel loaded to the second lateral surface, wherein the facial mask effective ingredient further comprises a plant essential oil, a moisturizing agent, hyaluronic acid, a surfactant and a metal salt, wherein a mass ratio of the traditional Chinese medicine colloid to the plant essential oil to the moisturizing agent to the hyaluronic acid to the surfactant to the metal salt is (20-40):(5-10):(2-10):1:(0.2-2):(0.5-1), wherein the facial mask effective ingredient is provided on the second lateral surface of the superhydrophilic substrate in the form of a dried dispersed membrane structure or a dried dispersed particle structure; and the facial mask effective ingredient is dissolvable in water for unidirectional transport away from the second lateral surface.