Cosmetic solution, method for producing cosmetic solution, and cosmetic method

摘要

Provided are a cosmetic solution and a method for producing the cosmetic solution, the cosmetic solution being easy to store and also easy to handle during use, and moreover having a high moisturizing function, without the use of a preservative. Hyaluronic acid/or a hyaluronic acid compound is dispersed in a polyvalent alcohol, also, an organic acid and/or organic acid salt different from the hyaluronic acid and/or hyaluronic acid compound is dispersed in a polyvalent alcohol such that it contains no water. The solution contains 0.01 to 2.0 wt % hyaluronic acid and/or hyaluronic acid compound 97 wt % or more polyvalent alcohol, is weakly acidic; i.e. 5≦pH<7 due to the organic acid and/or organic acid salt.

主权项

1. A method for producing a cosmetic solution, comprising:
a first dissolution step of adding to and dissolving in a solution of a polyvalent alcohol hyaluronic acid and/or sodium hyaluronate; and a second dissolution step of adding and dissolving an organic acid and/or an organic acid salt different from the hyaluronic acid and/or the sodium hyaluronate to allow the solution to be weakly acidic having a pH of 5≦pH<7, wherein the cosmetic solution contains 0.01 to 2.0 wt % of the hyaluronic acid and/or the sodium hyaluronate, and 97 wt % or more of the polyvalent alcohol, without water.