Detailed answer

Melasma, also known as pregnancy mask, is a skin condition characterized by symmetrical patches of brown or grayish pigmentation on the face, typically caused by hormonal changes. It is often triggered by sun exposure, hormonal imbalances, or genetic predisposition. Sun spots, on the other hand, are flat, small brown or black spots caused by prolonged sun exposure. They typically appear on areas frequently exposed to the sun, such as the face, hands, and shoulders. Unlike melasma, sun spots are not influenced by hormonal changes and can be prevalent in individuals of all ages. Both melasma and sun spots can be effectively treated with various medical and cosmetic interventions, including topical creams, chemical peels, and laser treatments.