The most common causes of Hyperpigmentation are:
- Sun exposure
- Hormonal changes, pregnancy, menopause. The use of oral birth control pills.
- Inflammation
- Acne inflammation
- Healing from skin injury
- Stress
- Thyroid disease
- Medication including contraception, thyroid and anti inflammatory drugs, treatment for hormonal disorders like Addison’s disease and Cushing’s syndrome.
- Genetic predisposition