"Shimmer powder" refers to a type of cosmetic product that contains tiny particles that reflect light, creating a shiny and sparkling effect on the skin. Full definition
I use food coloring as paint and old shimmer powder from an old make up kit and I put it on before baking. (mommypotamus.com)
This palette includes two baked powders, one luxurious cream formula and one silky shimmer powder. (fashionandstylepolice.com)
Next, she swirled tarte's Amazonian clay 12 - hour blush in blissful, a warm rosy peach, on the apples of her cheeks and topped it off with tarte's provocateur Amazonian clay shimmering powder for instant radiance and a subtle sheen. (beautylish.com)