Detailed answer

The diagnosis of melasma is typically made through a combination of visual examination and a detailed medical history. In many cases, a dermatologist or a skincare professional will visually examine the affected area to identify the characteristic brown or grayish patches on the skin. The doctor may also ask about any changes in the skin, exposure to sun or hormonal factors, and any medications being taken. They may use a special light called a Wood's lamp to help evaluate the depth of pigmentation. Sometimes, a skin biopsy may be recommended to rule out other conditions. It is important to consult with a qualified healthcare professional for an accurate diagnosis and appropriate treatment plan.