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These strange looking skin growths are very common and are benign (harmless), occurring equally in both males and females. They are small and soft in appearance and can be either flesh-coloured or brown, looking much like tiny pockets of hanging skin; in fact, they often project from the surrounding skin from a tiny narrow stalk (they are pedunculated.)
Skin tags are composed of a core of fibres and ducts, nerve cells, fat cells and a covering or epidermis.
Skin tags are typically only a few mm in diameter (2 – 5mm), but some can grow as large as 5cm, about the size of a fig.
The medical name for skin tags (or skin tabs as they are sometimes known) is acrochordons.