Barrier patch of a foamed film and methods of improving skin appearance
AssigneeThe Procter & Gamble Company
InventorsEmily Charlotte Boswell, Elizabeth Anne Wilder, Michael Remus
Life of this patent
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Abstract
A beauty care product is provided. The beauty care product has a multi-layered barrier patch with a non-foamed first layer and a foamed second layer. The non-foamed first layer has a non-foamed polymer film with a first surface and a thickness from 5 microns to 250 microns. The foamed second layer has a foamed polymer film comprising a Mean Void Volume Percentage from 45% to 80% and a thickness of from 10 microns to 250 microns. The beauty care product also has a cosmetic composition with an effective amount of a skin active agent and a pressure sensitive adhesive.
Claims30
A method of treating skin comprising:
- a. applying a cosmetic composition to a target area of the skin, comprising an effective amount of a skin active agent;
- b. applying a multi-layered barrier patch to the target area of skin, wherein the barrier patch comprises:
- (i) a non-foamed first layer comprising a non-foamed polymer film having a first surface, wherein the first layer has a thickness of about 5 microns to about 250 microns;
- (ii) a foamed second layer comprising a foamed polymer film comprising a Mean Void Volume Percentage of about 45% to about 80% and a thickness of about 10 microns to about 250 microns, wherein the foamed second layer is free of the skin care active;
- wherein the cosmetic composition is at least partially in contact with the barrier patch.
A method of treating skin comprising:
- a. applying a cosmetic composition to a target area of the skin, comprising an effective amount of a skin active agent;
- b. applying a multi-layered barrier patch to the target area of skin, wherein the barrier patch comprises:
- (i) a non-foamed first layer comprising a non-foamed polymer film comprising ethylene vinyl acetate, wherein the first layer has a first surface and a thickness of about 5 microns to about 250 microns;
- (ii) a foamed second layer comprising a foamed polymer film comprising ethylene vinyl acetate, wherein the second layer has a Mean Void Volume Percentage of about 45% to about 80%, a thickness of about 10 microns to about 250 microns, and is free of the skin active agent;
- wherein the barrier patch comprises a WVTR front about 1 g/m2/24 h to about 500 g/m2/24 h;
- wherein the cosmetic composition is at least partially in contact with the barrier patch.
Dependencies are inferred from the claim text.