Phytosurgence Crystal Constellation is a warm taupe with a sparkle finish that is permanent and retails for $17.07. In comparison, LORAC Tails & Top Hats #3 is a warm taupe with a frost finish that is limited edition and retails for $19.00.
LORAC Tails & Top Hats #3 is 95% similar — it is more shimmery, darker.