A method of treating the skin, wherein the cosmetic composition is applied to a target area of the skin. The cosmetic composition includes an effective amount of a skin active agent. A barrier patch is also provided, the barrier patch having a backing layer and a pressure sensitive adhesive. The barrier patch has an adhesive peel force of about 50 gm to about 400 gm, a WVTR of about 1 g / m 2/24 hours to about 500 g / m 2/24 hours, and a flexibility of about 8 gm to about 40 gm.化粧品組成物が皮膚の標的領域に適用される皮膚の処置方法。この化粧品組成物は、有効量の皮膚活性剤を含む。バリアパッチも提供され、このバリアパッチは、裏材層と、感圧接着剤と、を有する。バリアパッチは、約５０ｇｍ～約４００ｇｍの接着剥離力と、約１ｇ／ｍ2／２４時間～約５００ｇ／ｍ2／２４時間のＷＶＴＲと、約８ｇｍ～約４０ｇｍの可撓性と、を有する。
