The formulas for these white bases are closely guarded secrets. Chen Wei-lung reveals that the main ingredient of the white base is potassium oxide, to which various special ingredients are added. By steaming these, they can break down the toxic ingredients so that they will be less damaging to a person's skin.
「白底」的調配是獨家秘方，陳威龍透露，白底的主要成分是氧化鉀，還加入各種獨家原料，製作秘訣在於「蒸」過，將原料中的有毒成分蒸發掉，比較不傷害扮者皮膚。