Thai handmade soap can wash your face. Handmade soap is a kind of soap made by hand with natural oil and lye. It is basically the result of saponification reaction between oil and alkali liquor, and can be used for washing and cleaning after curing and curing.

Soap is a general term for fatty acid metal salts. The general formula is RCOOM, where RCOO is fatty acid radical and m is metal ion. The carbon number of fatty acids in daily soap is generally 10- 18. Metals are mainly alkali metals, such as sodium or potassium, but ammonia and some organic bases, such as ethanolamine and triethanolamine, are also used to make soaps for special purposes.