A cosmetic apparatus comprising a self-adhesive cosmetic application guard and/or stencil provided, which comprise an upper edge, a lower edge, an extended flap, a front surface and a rear surface. The upper edge is shaped according to a natural curvature of a human lower eyelid. A texture of one or both of the front surface and the rear surface enables the self-adhesive cosmetic application guard and/or stencil to self-adhere to a users' skin. The extended flap enables grasping so as to avoid contact with areas of cosmetic application during removal from the users face. The front surface and the rear surface may comprise silica material, and may be glossy so that it firmly adheres to the users' skin without use of any additional adhesive product or material. The texture of one or both of the front surface and the rear surface a non-slip surface having a dull finish.