ColourPop Express is a cool lavender with a frost finish that is limited edition and retails for $4.50. In comparison, Natasha Denona Aerialist (371SM) is a neutral lavender with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Aerialist (371SM) is 85% similar — it is more shimmery, darker, more muted.
