Terra Moons Palladium is a warm taupe with a metallic finish that is permanent and retails for $6.25. In comparison, Natasha Denona Vintage (49M) (2019) is a warm taupe with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Vintage (49M) (2019) is 85% similar — it is less shimmery, darker, cooler.
