What causes skin tags

What are Skin Tags?

Skin tags, medically known as acrochordon or fibroepithelial polyps, are small, soft, benign growths that hang off the skin. They are typically flesh-colored or slightly darker and can vary in size from a tiny speck to the size of a grape. While they are harmless, many people seek to remove them for cosmetic reasons or because they become irritated by friction from clothing, jewelry, or shaving.

What Causes Skin Tags?

The precise cause of skin tags remains unknown, but several factors are believed to contribute to their development. These include:

Friction

One of the most commonly cited causes is repeated friction or rubbing of the skin. This is why skin tags are frequently found in areas where skin folds or where clothing and jewelry repeatedly brush against the skin. Common locations include the neck, armpits (axillae), groin, under the breasts, and eyelids.

Genetics

There appears to be a genetic predisposition to developing skin tags. If your parents or close relatives have skin tags, you are more likely to develop them yourself. This suggests that inherited factors play a role in how your skin grows and forms these types of lesions.

Hormonal Changes

Skin tags are often associated with hormonal changes. This is particularly evident during pregnancy, where the surge in hormones can lead to an increase in the number and size of skin tags. They may also be linked to hormonal shifts during puberty or menopause.

Weight and Obesity

Studies have shown a strong correlation between being overweight or obese and the development of skin tags. Excess weight can lead to increased skin folding and friction, creating an environment conducive to skin tag formation. Insulin resistance, which is often associated with obesity, is also thought to play a role.

Insulin Resistance and Diabetes

There is a growing body of evidence suggesting a link between skin tags and insulin resistance, a condition where the body's cells don't respond well to insulin, often preceding type 2 diabetes. Some research indicates that people with more skin tags may have higher blood sugar levels or a greater risk of developing insulin resistance or diabetes. While not a direct cause, it suggests a metabolic connection.

Human Papillomavirus (HPV)

While not definitively proven as a direct cause, some studies have explored a potential link between certain strains of the Human Papillomavirus (HPV) and the development of skin tags. However, this association is not universally accepted, and more research is needed to confirm any causal relationship.

Age

Skin tags are more common as people age. They are rarely seen in children and tend to appear more frequently after middle age. This could be due to the cumulative effects of friction, hormonal changes, and other contributing factors over a lifetime.

Other Associated Conditions

In addition to the factors mentioned above, skin tags have been associated with other medical conditions, including:

• Acanthosis nigricans (a skin condition characterized by dark, velvety patches, often associated with insulin resistance)
• Polycystic ovary syndrome (PCOS)
• Bartholin's gland cysts

It's important to note that having skin tags does not automatically mean you have any of these conditions, but if you develop numerous or rapidly growing skin tags, it may be worth discussing with your doctor.

Are Skin Tags Harmful?

Skin tags are benign, meaning they are not cancerous and do not pose a health risk. They do not typically cause pain unless they are irritated by rubbing or get caught on something. If a skin tag becomes inflamed, bleeds, or causes discomfort, it can be easily removed by a healthcare professional.

When to See a Doctor

While skin tags are generally harmless, you should consult a doctor if:

• A growth changes in appearance (size, shape, color).
• A growth bleeds, becomes painful, or itchy.
• You are concerned about the cosmetic appearance of the skin tags.
• You have a large number of skin tags or they appear suddenly.

A doctor can confirm that the growth is indeed a skin tag and discuss safe removal options if desired.