Master the Chemistry of OIL,WATER,LYE or (caustic soda) step by step creation demonstration.
Discuss interesting topics related to Science and Technology
A fun, practical conversation class where you learn to make organic cold process soap from scratch.
最佳课程奖票选评价 2026年春夏最佳课程奖 →
K.hyun
Manning
Suja
Salvatore Grasso
Machika
Jungwon Fukuyama
Koyuki
chika
Ray Roshdy
Yuka-t
Mae Kay
Eunjung