Sang Yoon began cutting hair in 1989, quickly becoming a highly sought after stylist and colorist with his own salon in Winter Park, FL. After 30 years in the industry, Sang recognized one of the biggest problems that both professionals and clients faced – stained skin from hair dye. This led to Sang’s revolutionary product invention – dyeblox®. dyeblox® is changing the way we protect our skin and it’s selling around the world. dyeblox ® is just the first of many amazing inventions to come.