Packaging and cover for packaging for cosmetic or pharmaceutical compositions

摘要

One embodiment of the present invention includes a cover ( 6 ) for a packaging for a cosmetic and/or a pharmaceutical composition. The cover ( 6 ) comprises means of attachment on a container of the packaging and a sealing wall for sealing an opening of the container ( 3 ). The sealing wall is a flexible wall that is elastically deformable by a difference in pressure exerted on its two main sides.