This is an amazing product. I use the Physician's Formula Concealer Twins in the Yellow/Light. The Yellow tone coverup works amazing. It corrects and coverrs very effecctively. I have very dark circles under my eyes and I have constantly tried various products. This one really works. Applies smoothly and coverage is great. The skintone blends easily and looks very natural. Highly recommend this to anyone with that purple/dark circles under your eyes!