MAC Exquisite Ego #1 is a warm peach with a metallic finish that is limited edition and retails for $21.00. In comparison, Natasha Denona Golden Beige (52M) is a warm peach with a metallic finish that is permanent and retails for $29.00.
Natasha Denona Golden Beige (52M) is 90% similar — it is more shimmery.
