PROBLEM TO BE SOLVED: To provide a Coprinus comatus extract which dissolves into water in a given amount or more and contains an ethanol soluble component in a given amount or more, and has a more excellent anti-oxidant action and whitening action than conventional Coprinus comatus extract.SOLUTION: The Coprinus comatus extract having a more excellent anti-oxidant action and whitening action than conventional Coprinus comatus extracts can be provided by obtaining Coprinus comatus extract which has a solubility in water at room temperature of 5.0 g/100 ml or more and has a content of a soluble component to ethanol at room temperature of 1.8 mass% or more.SELECTED DRAWING: Figure 1