What condition is characterized by the loss of pigments in skin patches?

Vitiligo is characterized by the loss of pigments in skin patches, which results from the destruction of melanocytes, the cells responsible for producing melanin—the pigment that gives skin its color. This condition leads to irregular white patches on various parts of the body, which can vary in size and are most noticeable in individuals with darker skin tones. Vitiligo can be triggered by factors such as autoimmune responses, genetic predisposition, or environmental stresses, and it can affect any area of the skin, including the face, hands, and genital regions. The patches are generally painless and do not cause any physical symptoms, but they can have significant psychological effects due to changes in appearance.

In contrast, psoriasis is a chronic autoimmune condition that results in the rapid growth of skin cells, leading to scaly, red patches that can itch and be uncomfortable. Eczema, or atopic dermatitis, is characterized by inflamed, itchy, and often red patches of skin, usually associated with allergies or irritants. Rosacea is primarily a vascular condition that leads to facial redness and visible blood vessels, along with possible pimples, but does not typically result in pigment loss. Therefore, vitiligo stands out as the only condition among the choices that specifically involves the