Clean all washable surfaces: In 1L of hot water dilute 1 tsp of liquid Black Soap and 1 tsp of Baking Soda, then transfer the solution into a ready-to-use sprayer. Shake well before use. To clean the dishes: In a spout bottle, add ½ liter of hot water, ½ glass of Liquid Black Soap, ½ glass of white vinegar, 1 tbsp of Baking Soda, then mix vigorously. The dishwashing liquid is ready to use. To clean windows: To wash and shine windows, mix 1L of hot water and 1 tsp of Liquid Black Soap in a spray bottle. Wipe clean with a sponge and squeegee, then dry using a soft cloth or microfiber. To clean car, motorcycle, bike, rims: Pour a cap of Liquid Black Soap on a sponge to clean the entire interior of the dashboard, gear lever and leather chairs, then rinse.