Table of Contents I. Common Pigment Disorders II. Inherited Skin Conditions III. Preventing Vitiligo IV. Managing Melasma and Rosacea Common Pigment Disorders Abnormal pigmentation affects many people worldwide. Some skin conditions, like albinism, birthmarks, macular stains, and hemangiomas, can affect a person from birth. Other conditions, such as vitiligo, melasma, and rosacea, are disorders that are caused by skin damage. For conditions caused by skin damage, common treatments include