What Causes Skin Tags?

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16 April 2025

Skin tags are non-cancerous growths that are usually harmless. 


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They appear as small, fleshy bumps attached to the skin by a narrow stalk and are often skin-colored or slightly darker. 


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Most skin tags range in size from one to five millimeters.


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They commonly develop in areas where skin experiences frequent friction, such as the neck, underarms, inner thighs, or beneath the breasts. 


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In some cases, they may become irritated, especially when they rub against clothing or jewelry.


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While it's not always possible to identify the exact cause, skin friction is considered a major contributing factor—particularly in individuals whose body shape results in skin rubbing together.


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Hormonal changes during pregnancy and certain health conditions like insulin resistance, pre-diabetes, diabetes, and metabolic syndrome have also been linked to the development of skin tags.


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Genetics may play a role as well; if other family members have skin tags, you might be more likely to develop them too. 


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Unfortunately, there's no guaranteed way to prevent skin tags from forming.


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