You can make a safe tool without making special efforts and costs. It is necessary to melt in a water bath a soap rubbed on a fine grater, stirring to add water to it. We remove the foam formed, remove from heat and add 4 large spoons of alcohol, 25 ml. liquid glycerol, a tablespoon of alcohol tincture of calendula and, if desired, a couple of drops of essential oil for aroma. After that, poured into a bottle with a dispenser, as it cools, the product will thicken.