Built-In Applicator: The tube features a distinct multi-action massage roller ball mechanism. This is intended to evenly distribute the product, facilitate deeper absorption, and physically stimulate local blood circulation.Core Claims: Product marketing states it improves skin elasticity and firmness, offering a tightening effect to address sagging or deflated skin. It is officially designated for "promoting secondary breast growth" and "enhancing elasticity & softness" as labeled on the box.Key Ingredients: Formulated primarily with Hydrolyzed Collagen (to support skin structure) and Carrot Seed Oil (to deeply condition and soften the skin barrier).