What Are Skin Tags?

Few small skin findings collect as many myths as skin tags do. People arrive worried that a tag is contagious, that it will turn into something serious, or that tying a thread around it at home is a sensible shortcut. Almost none of that holds up. The short video at the top of this page, "Huge Skin Tag Removal Procedure", runs just 51 seconds and shows the clinical end of the story — a large tag removed as a procedure. This article works through the common myths first, then the facts underneath them.

Myth: a skin tag is a wart, or something catching

Fact: a skin tag — clinicians also call it an acrochordon — is a small, soft flap of ordinary skin, often hanging from a narrow stalk. It is not a wart, and it is not an infection, so it does not spread from person to person or from one part of your body to another the way a wart can. Tags favour places where skin rubs on skin or clothing: the neck, the armpits, under the breasts, the groin, and sometimes the eyelids. That is also why the neck is where people notice them first — a collar or a necklace catches on one, and suddenly it has your full attention.

Myth: if you have one, something is wrong with you

Fact: skin tags are extremely common in adults, and having them is not, on its own, a sign of illness. They tend to appear gradually, and people often collect more of them over the years. Friction seems to play a part, which fits where they show up. What does deserve attention is not the tag itself but uncertainty: a growth you cannot confidently identify should not be assumed to be a tag. Clinicians would rather look at a doubtful spot once than have you live with a wrong guess — other growths can look superficially similar, and the distinction is made by examining the skin, sometimes with magnification like the lamp in this article's photo.

Myth: you should just pull one off at home

Fact: please don't. A tag has its own small blood supply in that stalk, so tearing or cutting one off yourself can bleed more than you'd expect, hurt, and leave a sore spot open to infection — and if what you removed wasn't a tag at all, you've lost the chance for it to be identified. Home freezing kits and thread tricks carry the same problems. Removal in a clinic is a minor, controlled procedure instead: depending on the tag's size and stalk, clinicians may snip it, freeze it, or use heat, usually after numbing the area when needed. The 51-second anchor video on this page shows a removal carried out as exactly that kind of deliberate procedure. For a broader look at how small skin lesions are taken off, "Simple skin lesion excision with an ellipse" shows an excision approach used when a lesion is cut out rather than snipped.

Fact: most tags can simply be left alone

A skin tag that isn't catching, rubbing, or bothering you does not need treatment — many people live with dozens and never act on them. Removal becomes a conversation when a tag keeps snagging on jewellery or clothing, gets repeatedly irritated, bleeds after being caught, or when you simply dislike how it looks. Size plays a role too: a large tag, like the one in the anchor video, is more likely to twist, rub, and get in the way, which is usually why those are the ones people ask to have removed. If a tag changes quickly, becomes painful, hardens, or a new growth looks quite different from your others, get it examined rather than filing it under "just another tag". Readers comparing neighbouring skin topics may find our explainer on sebaceous cysts useful — another common lump that is often confused with a surface growth — and our guide to lipomas covers the soft fatty lumps that sit under the skin rather than on it.

Frequently Asked Questions

Are skin tags dangerous?

A confirmed skin tag is a benign flap of skin and does not turn into cancer. The caution is about identification: any growth you are unsure about should be examined, because other lesions can look similar at a glance.

Why do skin tags appear on the neck and armpits?

Those are areas where skin folds rub together and where collars, necklaces, and straps add friction. Tags are most often found in exactly those rubbing zones.

Can a skin tag fall off on its own?

Occasionally a tag that twists on its stalk withers and drops off. That is not a method to aim for — deliberately twisting or tearing one can cause bleeding and infection, so removal is best left to a clinic.

Will a removed skin tag grow back?

The same tag, once removed, does not grow back, but new tags can appear nearby over time, especially in the same friction-prone areas. Removal treats the tag that bothers you; it doesn't change the tendency to form them.

MedicalVideos.com has published trusted medical videos since 2007. The site was founded by Dr. Mohamed Ibrahim, MD, PhD — physician-scientist.

Educational only — this article is general information about skin tags, not medical advice and not a diagnosis. Any new, changing, or uncertain skin growth should be assessed by a clinician who can examine your skin.