Savon Noir is a residential detergent that has been loved in France for a long time called black soap. The main ingredient used is olive oil derived from organic farming. And it is manufactured using the same manufacturing method as Savon de Marseille and is a 100% naturally-derived pure soap ingredient that contains natural glycerin. The soap cleaning ingredient thoroughly removes all kinds of dirt from your home and gives furniture a shine. It can be used safely even in homes with small children and pets. •Ecocert certified for eco-friendliness [How to use Sabon Noir] It is not difficult to use. Depending on the degree of dirt, just use it as it is, dilute it, or adjust it. For normal stains: Mix 15mL of Sabon Noir in 5L of warm water, then soak it in a cloth or sponge to wipe off the stain. Alternatively, replace the diluted liquid with a spray or other container. For strong stains: Dilute 45 mL of Savon Noir in 5 L of warm water. After that, rinse with water or wipe thoroughly. If the stain does not come off, wipe off the stain repeatedly. Applications: Flooring, carpets, tiles, glass windows, wooden furniture, houseplants, washing machines, ventilation fans, pots, silver/copper products, leather goods, clothes, etc. *Due to the nature of olive oil, which is the main ingredient, it may become gel-like when the temperature drops. In a low-temperature environment, it is normal for soap to separate or harden slightly, so there is no problem in using the product even if it is in gel form. Please shake the bottle well before use. It blends in and becomes more uniform. 【Brand Introduction】 La Corvette is a lifestyle brand developed by Sabonellie du Midi, which has a history of more than 120 years as one of the few manufacturers that produces the real "Sabon de Marseille". The brand name comes from the name of the ship that carried the olive oil. While the number of counterfeit products that do not comply with the standards increases, we continue to adhere to traditional standards and offer authentic "Savon de Marseille" and environmentally friendly products to the world. In France, it is available in department stores and select shops.