Kim Hyo-sook, known professionally as Cha Hong, is a South Korean hairdresser and businesswoman. She graduated from Munsan Sueok High School and later obtained a bachelor's degree in Dermatology from Seokyeong University and a master's degree in Design Management from Ewha Womans University. She opened her 1st salon in 2011 and is now one of the most recognized beauty experts in the country. She is well-known for her self-hair styling tips and is the first Asian to be selected as a world-class artist by L'Oréal Professionnel Paris, working for the brand all over the world. She is also the owner and founder of the Chahong Ardor beauty salon chain with 3 salons and an academy in South Korea.