our reflection centers on the utility of the psychoanalytic body-based group as a way to take charge of teenager obesity. Indeed, the therapeutic group can work as a containment for obese teenagers when they are losing weight. Indeed, in this period they show a lack of both transitionality and psychic containment which results in a turbulent unconscious image of the body. In this article we will underline the psychic and bodily dimensions of these girls that lose weight and, at the same time, the individual and group challenges of a body-mediated aesthetic atelier. These challenges have a double impact on the individual and group psychic envelope.