Formulation and method of manufacturing an acne extraction patch

Details Formulation and method of manufacturing an acne extraction patch Formulation and method of manufacturing an acne extraction patch

1998-02-11

2000-12-12

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

424 7803, 424401, 514859, A61K 970

Patent

active

061594938

ABSTRACT:
A formulation and a method for manufacturing an acne extraction patch. Water is added into polyvinyl alcohol and polyvinyl pyrrolidone to form an polymer solution. An adequate excipient is further added to form an optimal formulation. The formulation is coated directly onto the hydrophilic nonwovens or the nonwovens are placed over the release liner after coating the release liner with silicon coating. After the steps described above, the nonwovens are put into the dry oven for a two-step drying method at 55-90.degree. C., and 80-95.degree. C. A die-cut and package machine is used to cut an adequate patch. The patch is moistened with water and applied to the face or nose. The water solution of the formulation penetrates into the hair follicles or sebaceous glands. The lug of acne sticks to the polymer patch as the water evaporates. The acne is extracted from the hair follicle as the patch is removed.

REFERENCES:
patent: 4699146 (1987-10-01), Sieverding
patent: 4920158 (1990-04-01), Murray
patent: 5456745 (1995-10-01), Roreger
patent: 5512277 (1996-04-01), Uemura
patent: 5567428 (1996-10-01), Hughes
patent: 5874074 (1999-02-01), Smith

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