A sterile device intended to be fitted to an electronic cosmetic micro-needling handpiece for the creation of high-density minute skin punctures to stimulate tissue regeneration and improve the appearance of the skin as part of collagen induction therapy (CIT). It is a small sealed cartridge containing micro-needles intended to be fitted to the distal tip of the handpiece; it does not include any injectable materials. It is intended to be used by a healthcare provider in a clinical setting. This is a single-use device.