Hyperpigmentation on the face is a condition where patches of skin become darker than the surrounding skin due to the excess production of melanin, the pigment that gives skin its color. It can affect any skin type and can be caused by various factors such as sun exposure, hormonal changes, skin injuries or inflammation, and reactions to medical conditions. The most common types of hyperpigmentation are age spots, melasma, and post-inflammatory hyperpigmentation. To diagnose the type and cause of hyperpigmentation, a doctor may examine the skin, ask about medical history, sun exposure, and other lifestyle events or habits, and in some cases, take a biopsy. Treatment options include avoiding sun exposure, using removal techniques such as cosmetic treatments, creams, and home remedies, and using topical prescription medication that usually contains hydroquinone, which lightens the skin. Its important to note that hyperpigmentation isnt generally harmful and usually isnt a sign of a serious medical condition, but it can be stressful or cause one to feel bad about their appearance.