Only turns into "powerful adhesion foam". Powerful adhesion foam stays without disappearing, penetrates in close contact with the back and inner side which is difficult to dye. Dyed gray hair deeply, to make a beautiful hair color uniformly. Even with bright colors, even putting colors firmly up to gray hair, it will dye it to a beautiful hair color like fashionable dye. It is dyed as smooth as the finger, moist. Silk essence (hair protection ingredient), royal jelly extract (moisture ingredients). It is a prescription that kept taste and odor off. With aftercolor hair pack. Fit to the perfect fit with gloves.