Natasha Denona Duet (431DC) is a warm lavender with a metallic finish that is limited edition and retails for $29.00. In comparison, ColourPop Peeps Lavender is a warm lvaender with a sparkle finish that is limited edition and retails for $6.00.
ColourPop Peeps Lavender is 85% similar — it is less shimmery, cooler.
