Massaging the face and body with our gua sha helps to stimulate blood circulation beneath the skin, relax tightened or sore muscles, and helps you to reveal a healthier, brighter, and more even complexion. In addition, only at Rose de Jardin, all of our beauty and massage knowledge is exclusively provided through the expertise of advice of Professor Kyungran Kim – beauty and masssage expert, Degree of Beauty from CHUNG-ANG University, 2018. *This product is not a medical device.*Do not drop or give a shock to the product.*Keep out of reach of children.*Do not disassemble or modify the product arbitrarily.*Pregnant women should consult a doctor before use.Natural Gemstone Checklist – It is not a product defect.Rosette Jardin’s crystal is a 100% natural crystal massage tool made using 100% crystal without any artificial substances added. In 100% natural stone, the grain or pattern formed by the accumulation of strata differs from product to product, and features such as brown crystals or surface texture such as flaws or scratches may appear. Rosed Jardin’s natural crystals are gently polished up to the massage stage, and only flawless products are shipped, so you can use them with confidence.Crystal Material Cleaning Storage and Care Precautions1. WashingLightly wipe the used area with an alcohol swab before/after use.Alternatively, wash with running water or soap. When cleaning, wrap the product with both hands and wipe. 2. StorageTo prevent scratches, wrap it in a soft cloth or place it on a soft surface for storage.3. Care PrecautionsThe crystal is hard with a strength of 7.0, but it is made in a flat shape with a thickness of 1cm, so it may break if dropped or an external impact is applied. Do not attach or cut the broken crystal separately and discard it. When using with oil, be sure to wipe off the oil on your hands before holding the product. Crystals may become weak in the following cases:1) In case of throwing the product at a hard place 2) In case of sudden temperature difference (cold/hot). ProtipsAll massage methods recommend at Rose de Jardin have been expertly curated with and are included in the intellectual property rights of Professor Kyungran Kim and Rose de Jardin. These products are not an FDA medical device.* Immediately reduce puffiness in the facial contours. * Help to improve blood circulation in the skin, improving overall tone, brightness, and texture.