Delivering a plethora of skincare benefits, the Collistar Bust Pure Actives is powered by two active ingredients in their most potent form. Hydration powerhouse hyaluronic acid works alongside collagen to nourish the skin and reduce the appearance of stretch marks, all while promoting the illusion of supple skin. The triple-action formula seeks to encourage a lifting, firming and hydrating effect for the look of smoother skin.