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AssigneeShiseido Company, Ltd.
InventorsYuzo Yoshida, Eriko Kawai
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The present invention relates to a plasminogen activator inhibitor, an external preparation for skin comprising the same, a method for improving rough skin and in particular, for improvement of an effective inorganic component. A plasminogen activator inhibitor contains a specific zinc oxide which adsorbs a plasminogen activator and effectively inhibits its activity. When it is used as an external preparation for skin, excellent improvement of rough skin is obtainable. Further, when silica-coated zinc oxide is applied as an external preparation for skin, excellent improvement effect and prevention effect for rough skin are obtainable without an intolerance sensitivity reaction in the case of morbid dermatitis such as atopic dermatitis or pimpled skin.
A method for improving morbid dermatitis of atopic dermatitis and pimpled skin, which comprises topically applying a composition comprising a zinc oxide powder coated with silica to a skin affected by said morbid dermatitis thereby providing a plasminogen activator inhibitor which inhibits a plasminogen activator on the skin.
A cosmetic method for simultaneously improving morbid dermatitis of atopic dermatitis and pimpled skin, which comprises applying a cosmetic composition comprising a zinc oxide powder coated with silica to skin which is affected by said morbid dermatitis thereby providing a plasminogen activator inhibitor.
A method for inhibiting an activity of a plasminogen activator in the skin affected by morbid dermatitis, which comprises applying a composition comprising a zinc oxide powder coated with silica to the skin and adsorption of plasminogen activator onto said powder.
A method for preventing rough skin, which comprises applying a composition comprising a zinc oxide powder coated with silica to the skin whereby the zinc oxide powder coated with silica adsorbs a plasminogen activator on the skin to inhibit the plasminogen activator.
Dependencies are inferred from the claim text.