The Development of Quick Drying Nail Enamels.

概要

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Nail enamels are very popular as a point makeup product next to lipsticks. Recently the number of user steadily increases with the prosperity of nail salons and nail art. This popularity of nail enamel put it more important position. The qualities required in nail enamel are speed of drying, even formation of film with high gloss, non-irritant against the nail, and long-lasting luster and finish. There is a strong growing demand for quicker drying nail enamels in recent markets, and several products are found. However, with conventional technologies, there is a limit in reducing the drying time, because of its poor appearance. This paper describes the technologies of fast drying nail enamels with the example of "dip-in-water" nail enamel. Although the process of drying is usually regarded as solvent evaporation, in the case of developing this new nail enamel, the drying of nail enamel is considered as precipitation process of film former. This unique idea made it possible to reduce drying time dramatically with the help of water.
日本化粧品技術者会の論文