For filling coconut soaps, potassium silicate is mixed with 10% potassium hydroxide of 38'Be. In order to obtain a smooth surface of the soap, it is advisable to use one third of a 10% "Tylose" solution and two thirds of potassium silicate Potassium Silicate (38'Be.)/32 Coconut Oil/100 "Tylose" Solution HB 25/15 Caustic Soda (38'Be.)/53