ColourPop Crystal Castle is a cool duochrome with a pearl finish that is limited edition and retails for $9.00. In comparison, Anastasia A1 (Norvina Mini Vol. 3) is a cool duochrome with a pearl finish that is limited edition and retails for $12.00.
Anastasia A1 (Norvina Mini Vol. 3) is 95% similar — it is less shimmery.
