| abstract |
Use of acetylsalicylic acid for the manufacture of a surface administration system with a top layer impermeable to the active principle and to moisture, one or more matrix layers containing active principle and a removable protective layer, in which the active principle acetylsalicylic acid is at least in one of the matrix layers of the surface administration system partially in solid form as a suspension and partially in dilute form, and the proportion of acetylsalicylic acid present in solid form, based on the total mass of the acetylsalicylic acid contained in the system, is at minus 30%, for the treatment of acne and / or similar skin diseases by topical administration of acetylsalicylic acid. |