This soap contains absolutely no chemical ingredients. It's an eco-friendly soap made from waste oil, gentle on both your skin and the environment! It also cleans well! You can buy a set of 4 immediately ♡ Examples of Use: * Washing dishes * Cleaning sinks and washbasins * Washing indoor shoes and shoes * Washing work clothes * Cleaning the bathroom * Removing protein stains like menstrual blood Important Notes: * Because it is made by hand using natural materials, there may be variations in color and shape. * If you feel it doesn't suit your skin, please discontinue use. * Since it does not contain preservatives, it is recommended to use it promptly, avoiding high temperatures and humidity. * This product is sold as a miscellaneous item. It is not a medicine, but for cleaning purposes. It is not a cosmetic soap, so please refrain from using it on your face or body. It is a solid soap for kitchen and cleaning use. We plan to ship via Yu-Packet Post. 【Ingredients】 Waste oil, caustic soda, purified water 【Important Points】 Since it is free of chemical substances, the soap tends to dissolve easily. After use, drain the water and store it in a well-ventilated place. White powder, soda ash, may adhere, but this is a phenomenon that occurs due to drying or exposure to air and does not affect the quality. ※ Soda ash... The white substance that appears on the surface. It is harmless and safe to touch. There is no problem with its use. There may be variations in the finish depending on the season and temperature. Recycled materials may be used for packaging. This soap is sold as a miscellaneous item. It does not fall under any of the categories of cosmetics, pharmaceuticals, or quasi-drugs. We are not responsible for any problems that may arise from its use, so please refrain from purchasing if you are concerned.