Hyperpigmentation commonly caused by prolonged sun exposure, hormonal fluctuation and skin injuries such as acne, eczema, insect bite reaction (Post-inflammatory hyperpigmentation PIH)
It is a common, recurring with irregular patches of brown pigmentation commonly found on the cheeks, nose, temple, forehead and upper lip area. It is more likely to occur in darker skin tone lady more than 40 years of age.
PIH developed as a result of injuries or inflammation such as acne, cut, insect bites, eczema, etc. It occurs more often in darker skinned individual. It can occur on the face, body, limbs, chest and back. The older we get, the slower the healing rate, the longer the pigmentation will stay. PIH occurred on areas other than face, has high tendency to stay permanent. It may not fade off with time.
Treatment with laser is probably one of the best options to treat PIH effectively. Generally it takes 5-10 sessions to see significant improvement.
They generally do not respond to topical cream but can be treated effectively with laser.