Kosas Medium is a warm brown with a satin finish that is permanent and retails for $34.00. In comparison, Phytosurgence Rosy Heatwave (8) is a warm brown with a semi-matte finish that is permanent and retails for $25.50.
Phytosurgence Rosy Heatwave (8) is 95% similar — it is less shimmery, cooler.