The present invention discloses a medical device having a disposable member for treating dermatological diseases and topical pathogeneses. The device comprises, inter alia, at least one inner layer at least partially made of a non-woven material, being in physical contact with at least a part of the derma having the dermatological diseases; at least one external impervious and flexible layer, at least partially made of material selected from a group consisting of silicone, rubber and polymer, enveloping the inner layer; and, source of hypertonic solution wetting the inner layer such that the inner layer is continuously immersed with the hypertonic solution and a constantly hypertonic environment around the derma is maintained. The inner layer is disposable and reversibly detachable to the enveloping external layer such that frequent displacement of the inner layer is possible, topical pathogeneses are being removed and dermatological diseases are being treated.