Problem: Dark Under-Eye Circles Idiopathic cutaneous hyperchromia of the orbital region (ICHOR), periorbital hyperpigmentation (POH), periorbital melanosis, orbital hyperchromia and infraorbital pigmentation are all terms used in the medical field to describe the darkening of the skin beneath the eyes. More frequently, however, this condition is referred to informally as dark circles, but also by more descriptive idioms such as raccoon and/or panda eyes. Preceded…