Brown patches under eyes after upper blepharoplasty and fat transfer. What can I do? (Photo)

Hi Karen.  It looks like what you are experiencing is hemosiderin staining.  This is a common problem for patients that have had surgery such as rhinoplasty and blepharoplasty.  We use q-switched lasers to remove the dark coloration and at the link below you can see before and after photos of a similar case for our Orange County patient.  

Dear karenldm,If bruising persists past 2 weeks, some of the iron from the red blood cells can leak out causing this discolorationIt can take time for it to improve (6 months)You may want to try a vitamin K cream to helpI also agree that the HQ cream probably will not helpBest,Dr. Nima

That is increased capillary circulation related to the healing process.  I know that it seems that 3 months is a lot of healing.  For many it would be.  However, your lower eyelid skin is so thin that you are seeing through the skin into the deeper connective tissue.  The Hydroquinone 8% is highly irritating and can actually dilate the capillaries and perversely make this hyperemia worse.  Also, I am sorry to tell you that the arnica that you are taking is not effective and has absolutely no role in resolving this issue.  I would recommend discussing with your surgeon the discontinuation of the hydroquinone, use of appropriate sun screen to the face to prevent stimulating actual hyperpigmentation.  Likely this will get better over the next 3 months.  A chemical peel or laser resurfacing may be an appropriate long term option but not now.

Neither of those treatments produce long term discoloration. Stop the high dose Hydroquinone as it can be very irritating. Discuss with your surgeon further treatments options.