This is waste oil soap made using waste oil and caustic soda. ⚪︎For purchases of 1kg or more: 　1 piece (85-100g) → 150 yen ⚪︎Ingredients: Caustic soda, water, waste oil ⚪︎How to use: Dishwashing, laundry, spot cleaning collars and cuffs, removing oil stains, cleaning around the kitchen, cleaning the toilet, etc. You can also dissolve it and use it in a spray bottle. ⚠️If you experience skin irritation during use, please refrain from using it. Alternatively, please use rubber gloves. ⚠️This product is sold as a miscellaneous item and is not a pharmaceutical product. If you would like to purchase 1kg or more, please comment. Thickness and size vary due to being handmade. Please refrain from purchasing if you are looking for perfection. #WasteOil #WasteOilSoap #Cleaning