- High gloss - Good self-leveling - Customized formulation development CKN International introduces customized products for each customer and enables them to lead the market. Using proven raw materials and color pigment distribution technology developed in our company, We offer products that are safe and more complete. State-of-the-art facilities and rigorous quality management systems ensure the highest quality. Pigment Super Dispersion Technology : Dispersing the particle size of the pigment from micron to nanoscale technology that provides the best reliable formula for using nail gel.