NWT Laura Mercier Translucent Medium Deep Glow setting powder! What it is: A cult-favorite setting powder that sets your look with a glow finish. What it does: Laura Mercier's beloved Translucent Loose Setting Powder is now available in a formula infused with pearl pigments so you can lock in your look for 12-hour wear with a healthy glow finish. The lightweight, innovative powder allows you to keep a natural glow and doubles the wear of your foundation without adding weight or texture.