I bought this on a whim from Walgreens. I have discoloration under my eyes. I guess my skin is starting to thin in that area. I have tried many eye creams at all different price ranges and nothing has Made a difference. I didn't expect this too either but I had read vitamin k is supposed to help so I tried it. I have been using it pretty consistently for about 2-3 months and it has improved the appearance under my eyes significantly. It's not that moisturizing so I usually put something else under my eye for moisture after this has had a chance to sink in.