Skin Tags Are More Than a Cosmetic Annoyance, Here's What They Can Signal

They're small, soft, usually the same color as the rest of your skin, and they tend to show up on the neck, under the arms, or in other spots where skin rubs against skin or clothing. Most people have at least one at some point, and most people never think twice about them. It turns out there's more going on with these little growths than most people realize, and a couple of the facts about them genuinely surprised us while researching this.

First, the Reassuring Part

Skin tags are extremely common. Depending on the study, somewhere between half and 60 percent of adults will have at least one at some point in their life. They're harmless growths made of a small amount of collagen, skin cells, and tiny blood vessels, and they're not considered a cancer risk. If you've ever run a new bump past Dersoma and it turned out to be a simple skin tag, that reaction of relief is a very normal one, because in the vast majority of cases, there's genuinely nothing to worry about.

They tend to form wherever skin folds or rubs repeatedly, which is why the neck, armpits, and groin area are such common spots. Age plays a role too. They become noticeably more common after 40, as skin naturally loses some elasticity over time. It's one of the more frequent, low stakes questions people bring to Dersoma just to double check what they're looking at.

If a bump sits next to skin that also looks tired or uneven, our guide on why skin can look dull covers other everyday factors that often show up in the same mirror check.

The Surprising Part: They Can Be a Signal, Not Just a Nuisance

Here's what a lot of people don't know. Having several skin tags, especially if they show up before age 40 or keep appearing in clusters, has been linked in research to insulin resistance, meaning the body isn't responding to insulin the way it should. This connection shows up strongly enough that some medical reviews specifically recommend checking for other signs of blood sugar or metabolic issues in people who have multiple skin tags, rather than treating them as purely cosmetic.

The proposed reason behind this connection is genuinely interesting. When insulin levels run high, it also tends to boost a related growth signal in the body that encourages skin cells to multiply a bit more than usual. Researchers have specifically measured higher levels of these growth signals in the skin tissue of people with skin tags compared to people without them, which supports the idea that this isn't just a coincidence.

This doesn't mean one skin tag means something is wrong. Plenty of people develop them from ordinary friction and aging with no metabolic connection at all. But if you notice a sudden cluster appearing, especially at a younger age, it may be worth mentioning to a doctor alongside the usual skin conversation, rather than just picturing them as harmless clutter. Tracking how many show up over time through Dersoma can make that pattern a lot easier to notice than trying to remember from memory.

The Fact Almost Nobody Knows: A Virus May Be Involved Too

This one is genuinely unexpected. Researchers testing skin tag tissue have found traces of human papillomavirus, the same broad family of viruses behind common warts, in roughly 80 percent of the skin tags they examined. That doesn't mean skin tags are contagious in any practical sense, and it doesn't change how they're treated. But it does suggest the story behind why they form is more complicated than simple friction alone, and it's one of those small medical surprises that rarely comes up when someone is simply checking a bump on Dersoma to see if it's worth worrying about.

What This Actually Means

Skin tags are common, generally harmless, and not something to panic over. At the same time, if you notice a handful showing up, particularly earlier in life than you'd expect, it's a reasonable prompt to pay a little more attention to overall metabolic health rather than only thinking about how to remove them. If you're ever unsure whether a new bump is a simple skin tag or something that deserves a closer look, running it through Dersoma is a simple way to get some clarity before deciding what to do next.