Horsepower expanders add max volume and max life to hair that is limping through life increases volume in limp lifeless hair cleans and adds weightless bounce strengthens thin fragile hair protects fine hair from damage while building body lauryl and laureth sulfate free horsepower expanders add max volume and max life to hair that is limping through life increases volume in limp lifeless hair cleans and adds weightless bounce strengthens thin fragile hair protects fine hair from