Cho Hye-ri (Hangul: 조혜리; born May 31, 1976), better known as Wax (Hangul: 왁스), is a South Korean pop singer and musical actress. She debuted in 1998 as the lead vocalist of the rock band DOG. She released her first solo album, The Diary of Mom, in 2000. Wax made her acting debut in 2007 with a main role in the musical Fixing My Makeup, the plot of which is based on her hit song of the same name.
Wax was born on May 31, 1972, with the birth name Cho Hye-Ri. Cho graduated from the Department of Postmodern Music at Kyung Hee University. Although she has been professionally active since 1998, her personal life has been mostly veiled from the public.