MAC Self Esteem is a cool red with a matte finish that is limited edition and retails for $19.00. In comparison, Chanel Camelia Carmin (627) is a neutral red with a satin finish that is limited edition and retails for $40.00.
Chanel Camelia Carmin (627) is 90% similar — it is more shimmery, darker, warmer, glossier.
