US 11,730,682 B2
Self-standing cosmetic sheet
Toshifumi Shiroya, Kanagawa (JP); Anne Laure Bernard, New York, NY (US); and Christophe Dumousseaux, Shinjuku (JP)
Assigned to L'OREAL, Paris (FR)
Filed by L'Oreal, Paris (FR)
Filed on Feb. 15, 2018, as Appl. No. 15/897,650.
Application 15/897,650 is a division of application No. 14/391,483, granted, now 9,949,897, previously published as PCT/JP2012/060392, filed on Apr. 11, 2012.
Prior Publication US 2018/0235849 A1, Aug. 23, 2018
Int. Cl. A61K 8/02 (2006.01); A61K 8/67 (2006.01); A61Q 15/00 (2006.01); A61Q 17/00 (2006.01); A61K 8/73 (2006.01); A61Q 19/00 (2006.01); A61K 8/81 (2006.01); A61Q 19/02 (2006.01); A61K 8/85 (2006.01); A61Q 19/08 (2006.01)
CPC A61K 8/02 (2013.01) [A61K 8/0208 (2013.01); A61K 8/676 (2013.01); A61K 8/733 (2013.01); A61K 8/736 (2013.01); A61K 8/738 (2013.01); A61K 8/8135 (2013.01); A61K 8/85 (2013.01); A61Q 15/00 (2013.01); A61Q 17/00 (2013.01); A61Q 19/00 (2013.01); A61Q 19/02 (2013.01); A61Q 19/08 (2013.01)] 20 Claims
 
1. A process for controlling perspiration and/or odors on the skin, the process comprising:
adhering onto the skin a cosmetic sheet comprising:
(a) a film comprising at least one biocompatible and/or biodegradable hydrophobic polymer layer comprising at least one cationic polymer, at least one anionic polymer, and at least one anti-perspirant agent and/or deodorant agent, and
(b) at least one water-soluble substrate, and
removing the (b) at least one water-soluble substrate,
wherein the film (a) has a thickness ranging from 80 nm to 150 nm,
wherein the at least one anti-perspirant agent and/or deodorant agent is present in the film (a) in an amount ranging from about 0.01% to about 30% by weight, relative to the total weight of the film (a), and
wherein the at least one anit-perspirant agent and/or deodorant agent is incorporated inside the at least one biocompatible and/or biodegradable hydrophobic polymer layer of the film (a).