Water based ink composition for writing instrument

摘要

A water based ink composition for a writing instrument containing at least one selected from the group consisting of a polyoxyethylene alkyl ether phosphate and salts thereof and further containing a colorant, a perfume and water, which is less liable to cause feathering of the lines and in which a perfume is dispersed and retained in an aqueous medium in a stable state and the fragrance lasts long.