YSL Topanga Sunset (150) is a cool burgundy with a luminous finish that is permanent and retails for $38.00. In comparison, Shiseido Curious Cassis (RD620) is a warm burgundy with a satin finish that is discontinued and retails for $28.00.
Shiseido Curious Cassis (RD620) is 80% similar — it is less shimmery, lighter, warmer, less glossy.
