	US 12,303,584 B2
	Skincare cooling product, method of making, and method of using the same
Tiffany Yeh, Diamond Bar, CA (US)
Assigned to EZTIA CORP, Diamond Bar, CA (US)
Filed by EZTIA CORP., Diamond Bar, CA (US)
Filed on Oct. 9, 2024, as Appl. No. 18/910,243.
Application 18/910,243 is a continuation of application No. PCT/US2023/036081, filed on Oct. 27, 2023.
Claims priority of provisional application 63/482,604, filed on Feb. 1, 2023.
Prior Publication US 2025/0032394 A1, Jan. 30, 2025
Int. Cl. A61K 8/81 (2006.01); A61K 8/02 (2006.01); A61K 8/04 (2006.01); A61K 8/23 (2006.01); A61K 8/27 (2006.01); A61K 8/73 (2006.01); A61Q 17/00 (2006.01); A61Q 19/00 (2006.01)

CPC A61K 8/8158 (2013.01) [A61K 8/0212 (2013.01); A61K 8/042 (2013.01); A61K 8/23 (2013.01); A61K 8/27 (2013.01); A61K 8/733 (2013.01); A61Q 17/005 (2013.01); A61Q 19/00 (2013.01); A61K 2800/244 (2013.01)]

19 Claims

1. A skincare product configured to provide skincare and cooling, wherein the skincare product is in a form selected from the group consisting of a mask, a pad, a patch, and any combination thereof and has single-layer structure a hydrogel layer configured to be directly applied to a skin surface at room temperature, the hydrogel layer comprising:

at least 50% of a liquid portion based on a total weight of the hydrogel layer; and

a solid gel portion comprising moieties of an acrylamide as a monomer, a bisacrylamide as a crosslinker, a moisture absorbing agent, and an antimicrobial agent;

wherein the liquid portion comprises water and is selected from a group consisting of water, a toning water, and an essence water, the liquid portion is embedded and distributed within the solid gel portion,

wherein the hydrogel layer has covalent crosslinks as the only one type of crosslinking structure in the hydrogel, and

wherein the solid gel portion comprises 50%-80% of the moieties of the acrylamide, 0.1%-1% of the moieties of the bisacrylamide, 0.1%-20% of the moisture absorbing agent, and 0.1%-25% of the antimicrobial agent, based on a total weight of the solid gel portion on a dry weight basis.