LIGHT FASTNESS ENHANCER AND DYING AUXILIARY HAVING THAT

摘要

The present invention relates to a light fastness enhancer and a dye assistant including the same. To explain more specifically, the present invention relates to the novel light fastness enhancer and the novel dye assistant including the same which minimize a decrease in the light fastness before and after sunlight exposure. According to the present invention, the light fastness enhancer includes an emulsifier containing one or more selected from anionic emulsifiers and nonionic emulsifiers.