ColourPop La-La is a warm copper with a metallic finish that is permanent and retails for $6.00. In comparison, Natasha Denona Bellatrix (103M) is a warm copper with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Bellatrix (103M) is 80% similar — it is more shimmery, lighter.
