Same expensive. According to a search on Taobao, we learned that bamboo charcoal powder is as expensive as cuttlefish juice, with prices ranging from 30 to 70 yuan, and the price difference is very small. Bamboo charcoal powder is a very fine powder made by first burning bamboo at high temperature into charcoal, and then activating and grinding it with high-temperature water vapor. Squid juice is a substance released by marine organisms such as cuttlefish and squid when they are in danger.