Pat McGrath Rose Quartz Astral is a cool mauve with a sparkle finish that is permanent and retails for $36.00. In comparison, Fenty Beauty Gal on the Moon is a warm plum with a metallic finish that is limited edition and retails for $19.00.
Fenty Beauty Gal on the Moon is 85% similar — it is more shimmery, more pigmented, cooler.
