2. Secondly, put the cocoon into the dissolved alkali solution little by little until the cocoon is completely dissolved and the oil and alkali are mixed into the mold. The operations of demoulding, cutting soap and stamping are more detailed than other soaps. Although some oil is added to improve the hardness of soap, the proportion of cocoons is high, and the whole will still be soft.
The soap just cut is a bit like cheese. When it is dried to maturity, the color of soap becomes dim and deepened, and it can be recognized.