In order to bring you a better shopping experience, we hereby declare: our replacement head is only fit gen 1 Hair removal device. The first and second generations have different heights, different processes, different blades, and different shapes. They cannot be used in the same On a shaving tool.360 Degrees without Dead Ends: Small and discreet, like the original, remove your hair gently and painlessly, you ll be able to achieve smooth skin, perfect touch. It is recommended to replace the hair remover replacement heads every 3-6 months months for optimal performance.18K Gold-Plated Replacement HeadFacial hair removal blades are made of 18K Gold-Plated with high quality and delicate design. Not easily damaged and durable for daily use. Each order contains 4 hypoallergenic replacement heads + 1 Cleansing brush.Instant and Paniless: Micro-precision cutting system replacement head cuts so close with each pass, youll be able to achieve perfect skin. No redness or irritation.After-Sale Service: If there is any problem about the usage of product or if product is damaged, please contact us, we'll solve your problem for you fervently and as quick as we can.Package included:4 Pack