"小黄瓜萃取液" can be translated as "Cucumber Extract" in English.
Here, "小黄瓜" (xiǎo huáng guā) refers to cucumber, and "萃取液" (cuì qǔ yè) means extract or extracted liquid. In English, the term is commonly simplified to "Cucumber Extract" when referring to the liquid obtained through extraction processes from cucumbers.