A nail gel composition includes a nail gel mixture and a color agent mixing therewith for forming a nail gel layer on a nail of a user. The nail gel mixture includes first through sixth chemical elements, wherein the first through sixth chemical elements are polyacrylate-15, di-hema trimethylhexl dicarbamate, phenylbis (2,4,6-trimethylbenzoyl) phosphine oxide, hema, trimethylbenzoyl di-phenylphosphine, and 1-hydroxycyclohexyl phenyl ketone respectively. The nail gel layer is dried under an exposure of one of LED light, UV light, and sunlight that no wet sticky colloid is formed after the nail gel layer is dried with glossy high shine kept on the nail more than 10 days. The nail gel layer is adapted for being removed by directly peeling off the nail gel layer on the nail in one single step.
