Explaining Human Pains on Instagram: "Melasma is a pigmentation disorder that forms deep within the skin when melanocytes—the cells responsible for producing melanin—become overactive. Triggers like prolonged sun exposure, hormonal changes, pregnancy, stress, and certain medications stimulate these cells to release excess pigment. Instead of spreading evenly, the melanin clusters in specific areas of the epidermis and dermis, creating dark, irregular patches on the face. UV rays penetrate the sk