B-Opal Mineral Brilliance Powder Foundation. Be Good To Your Skin With This Hypoallergenic, Mineral-Based Formula That Works To Protect And Treat Your Skin. This Weightless, Light-Diffusing Powder Foundation, Helps To Blend Away Imperfections And Allows You To Build Natural-Looking Coverage Without Any Trace Of Ashiness. Light Coverage. For All Skin Types. Matte Finish.