Charlotte Tilbury Glowing Jen is a warm plum with a cream finish that is permanent and retails for $37.00. In comparison, ColourPop C'mon Sis is a warm plum with a satin finish that is limited edition and retails for $10.00.
ColourPop C'mon Sis is 85% similar — it is less shimmery, darker, more muted, cooler.