But a couple years ago, Muggenburg, a lifelong beauty junkie, expanded her milieu. She launched a luxe beauty line, also called Belmacz, based around precious materials. Her lip gloss ($32) is flecked with 24-karat gold leaf, and her latest invention, a face balm called Halo Ointment ($46), contains crushed pearls and gold flakes for that added glow. (It will be at Barneys New York counters in October.)