Popsugar Living Diy Coffee Eye Serum DIY 2-Ingredient DIY Coffee Eye Serum For Dark Circles June 11, 2017 by Kelly Ladd View On One Page Photo 4 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Step 5: Carefully pour the oil into the glass dropper bottle. Use the mixture every evening before bed. You’ll start seeing results in about two weeks. Previous Next Start Slideshow DIYDIY Beauty