| abstract |
An object of the present invention is to provide a thickening agent that is less likely to reduce the viscosity even in an aqueous salt solution and that has an excellent feeling in use, and a cosmetic containing the thickening agent. One kind selected from poly-γ-L-glutamic acid, poly-γ-L-glutamic acid salt, poly-γ-L-glutamic acid cross-linked product and poly-γ-L-glutamic acid cross-linked salt Alternatively, the present invention provides a thickener containing two or more types, and a cosmetic containing the thickener. According to the present invention, it is possible to provide a thickener that hardly reduces the viscosity even in an aqueous salt solution, and a cosmetic containing the thickener. [Selection] Figure 1 |