But only moles that are present at birth are considered birthmarks. These can be skin-colored, brown or black, flat or raised, and small or large. These are the most common types of pigmented birthmarks: What are the most common types of pigmented birthmarks in children?.Port-wine stains involving the face may cause eye problems and be linked with other developmental disorders. These birthmarks often need treatment if located on the eyelid or forehead. Port-wine stains don't go away, and may become more purple or thicker with age. A port-wine stain is a flat, pink, red or purple mark that appears at birth, often on the face, arms and legs. Hemangiomas that grow into other organs or structures or become ulcerated should be checked by your healthcare provider. By age 5, 50% of these go away and 90% go away by age 9 without any treatment. They are called strawberry patch hemangiomas. Then they slowly lose this red color and shrink. Hemangiomas become visible within the first few weeks or months of life and continue to grow rapidly for about 6 to 9 months. Marks on the back of the neck that may disappear with age.

Marks located on the forehead, nose, upper lip and eyelids that usually disappear with age. Angel kisses and stork bites are the most common type of vascular birthmark: These are characterized by pink to red marks that may appear anywhere on the body. These are the most common types of vascular birthmarks:

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