Yes, replacement cartridges are available for purchase separately. Please choose the cartridge that matches your FacialDefy 4.0 machine and the treatment depth you need, such as 1.5mm, 2.0mm, 3.0mm, 4.5mm, 6.0mm, 9.0mm, or 13.0mm. If you are not sure which cartridge to buy, please email your order number and a photo of your current cartridge to [service@freyara.com](mailto:service@freyara.com). Our team will help confirm the correct replacement before you purchase.