	US 12,274,776 B2
	Barrier guard technology
Geetha Kalahasti, Addison, TX (US); and David Gan, Addison, TX (US)
Assigned to MARY KAY INC., Addison, TX (US)
Filed by MARY KAY INC., Addison, TX (US)
Filed on May 3, 2024, as Appl. No. 18/654,377.
Application 18/654,377 is a continuation of application No. 17/804,369, filed on May 27, 2022, granted, now 12,005,135.
Claims priority of provisional application 63/194,759, filed on May 28, 2021.
Prior Publication US 2024/0277594 A1, Aug. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 36/00 (2006.01); A61K 8/44 (2006.01); A61K 8/60 (2006.01); A61K 8/63 (2006.01); A61K 8/68 (2006.01); A61K 8/92 (2006.01); A61Q 19/00 (2006.01); A61Q 19/08 (2006.01)

CPC A61K 8/63 (2013.01) [A61K 8/442 (2013.01); A61K 8/60 (2013.01); A61K 8/68 (2013.01); A61K 8/922 (2013.01); A61Q 19/007 (2013.01); A61Q 19/08 (2013.01); A61K 2800/72 (2013.01); A61K 2800/78 (2013.01); A61K 2800/782 (2013.01)]

19 Claims

1. A method of treating skin, the method comprising applying to skin a composition comprising:

cholesterol;

ceramide II; and

shea butter,

wherein the composition comprises a wt. % ratio of cholesterol:ceramide II:shea butter of 3:1:1.