I purchased this from Lava previously, but it's unused. I took it out of the box for the photos. The box shows signs of aging. Although it's unused, it has been stored at home, so please understand. This is a Japanese-made beauty roller with 0.25mm protrusions, certified as general medical equipment, allowing for home care. It uses micro-needles developed with KAIST (Korea Advanced Institute of Science and Technology) technology, which has an international patent. It uses biocompatible materials approved by the FDA. ◆ Can be used continuously with proper care (Material degradation or loosening of screws may occur depending on usage frequency and years of use, provided the usage instructions are followed.) ◆ Designed to minimize pain ◆ Convenient to carry (with a dedicated cap) ◆ Please be careful to avoid hair entanglement ◆ Do not use on sensitive areas of the skin (around the eyes and lips, etc.)