Broad spectrum sunblock transfer film and device
a transfer film and broad spectrum technology, applied in the field of broad spectrum sunscreens, can solve the problems of preventing lotions from working optimally, current sunscreens do not fully block ultraviolet a (uva), etc., and achieve the effect of substantial opacity to ultraviolet radiation and adhesion to skin
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[0011]The following detailed description is of the best currently contemplated modes of carrying out exemplary embodiments of the invention. The description is not to be taken in a limiting sense but is made merely for the purpose of illustrating the general principles of the invention, since the scope of the invention is best defined by the appended claims.
[0012]As used herein, the term “backing paper” refers to a release liner or substrate and is not limited to cellulosic fibrous material. Backing paper may also refer to a synthetic polymeric substrate.
[0013]The term “release coating” refers to a material, such as but not limited to silicone, coating a backing paper that allows overlay sun protection (OSP), when moistened, to release onto the skin.
[0014]“Transfer film” as used herein refers to a film coated onto a release coating. The inventive transfer film is operative to physical block and / or reflect UV radiation and is also referred to as “OSP”. OSP may, in some cases, contain
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