Sephora Synergy is a cool gray with a frost finish that is limited edition and. In comparison, NARS L'Amour, Toujours L'Amour #9 is a cool gray with a pearl finish that is discontinued and retails for $25.00.
NARS L'Amour, Toujours L'Amour #9 is 95% similar — it is less shimmery.