• 6.0% High Concentration Formula for Serving Servess: Highly formulated with 6.0% of Hydroquinon. Not only does it make it highly concentrated, but it also has been made with a unique formula that is easy to use • Popular Deer Formula: Formulated with CICA (deer (trapeza extract) that prevents skin rashes. We have made our professional grade formula available on the market! • Penetration Permanent Nanodized Hydroquinon: Formulated with nanodized hydroquinone. By nanodizing it becomes a hydro quinon that increases penetration power (*1) and increases sustainability. Up to 1 stratum layer • (5 stem cell ingredients, double ceramide, and 2 types of retinol for salon specialty levels) We focus on not only hydroquinon. We also pay attention to the ingredients that are blended together. 5 stem cells, double ceramide, and double retinols for a salon exclusive! • High moisturizing texture that is hard to dry: The hydroquinon is easy to dry after application and has been applied to the texture. Even with a high formula, we have worked multiple methods to create a moisturizing hydroquinon cream