Skin growths are frequent occurrences for many people. Among these, moles and skin tags are two of the most common. According to Dr. Juan Estrada of U.S. Dermatology Partners Kyle, “While they may look similar at first glance, understanding the differences between a mole and skin tag is crucial. The underlying causes and recommended treatments will vary dramatically between the two.” In this guide, Dr. Estrada will help you identify and differentiate between these growths, understand when removal may be necessary, and explain how consulting a dermatologist ensures the best care for your skin.
What Are Moles?
Moles, or nevi, are pigmented growths that form when clusters of melanocytes (pigment-producing cells) grow together. They come in various sizes, shapes, and types. Moles often appear during childhood or adolescence, but they can develop later in life. There are two main types of moles:
- Congenital moles – this type of nevi is present at birth and vary in size.
- Acquired moles – these develop later in life and are often caused by sun exposure or develop due to genetic predisposition.
Common Characteristics of Moles
Moles can be flat or raised and range in color from light brown to black. While most are round or oval with smooth edges, they may change over time, particularly due to hormonal shifts, age, or sun exposure.
When to Be Concerned About Moles
Monitoring moles is essential because some can evolve into melanoma, a serious form of skin cancer. Follow the ABCDEs of moles for early detection, and if a mole displays any of the warning signs below, consult a dermatologist immediately:
- A – Asymmetry – one half of the mole doesn’t match the other.
- B – Border – the mole has irregular, notched, or blurred edges.
- C – Color – nevi that have uneven shades or contain multiple colors, including black, brown, red, white, or blue.
- D – Diameter – when moles are larger than 6 millimeters (about the size of a pencil eraser).
- E – Evolving – the spot changes in size, shape, or color over time, especially if these changes occur rapidly.
What Are Skin Tags?
Skin tags, or acrochordons, are small, soft, flesh-colored or slightly darker growths that hang by a thin strand of skin called a stalk. They are harmless and generally painless. Factors that may contribute to the development of skin tags include:
- Age (more common in middle-aged and older adults).
- Obesity or weight gain.
- Hormonal changes, especially during pregnancy.
- Friction from clothing or skin-to-skin contact.
Common Characteristics of Skin Tags
A skin tag is usually smooth or slightly wrinkled in texture with a cylindrical or ovular shape. They are typically found in areas where skin rubs together, such as the neck, armpits, groin, or under the breasts.
When to Be Concerned About Skin Tags
According to Dr. Estrada, “Skin tags are rarely anything you should worry about. Acrochordons don’t need to be removed or examined by a dermatologist unless they are snagging on clothing, bags, seatbelts, and other items regularly, or you notice they are bleeding, itching, or causing discomfort. Additionally, if you don’t have any other skin tags, you may want to have the dermatologist examine the new growth to ensure it isn’t anything dangerous. If you do experience discomfort or your skin tag is located in a noticeable area, a dermatologist can provide safe, effective removal options.”
Key Differences Between Moles and Skin Tags
Moles and skin tags are both non-cancerous skin growths that appear on various parts of the body. Although usually harmless, distinguishing mole vs. skin tag is important. Skin tags are almost always benign and pose little to no risk, but moles can sometimes signal underlying health concerns, including skin cancer. So, what’s the difference between skin tags and moles? Knowing the difference can save you unnecessary worry and guide you toward the right treatment options. Dr. Estrada says, “In most cases, individuals can tell the difference between moles and skin tags, but dermatologists specialize in identifying and managing skin growths. Whether for monitoring, diagnosis, or removal, consulting a professional ensures the best results and decreases risk for more serious skin health concerns.” Below, Dr. Estrada walks through some of the easiest ways to differentiate between moles and skin tags. Recognizing these differences can help you decide whether professional evaluation or removal is necessary.
Appearance
- Moles – pigmented, flat or raised, and may evolve in appearance over time. They can appear anywhere on the body, including areas exposed to the sun.
- Skin tags – soft, flesh-colored, and cylindrical, often developing in areas of friction. They do not typically change after forming.
Significance
- Moles – some may be precancerous or cancerous, requiring medical attention.
- Skin tags – almost always benign, but they can cause irritation or discomfort.
When Should Moles or Skin Tags Be Removed?
According to Dr. Estrada, “The decision to remove a mole or skin tag should be made by an individual working with a dermatologist. Unless the skin growth shows signs of being dangerous or indicates health risk, the final decision is a personal one. In most cases, people will remove moles and skin tags for health or cosmetic reasons. Both are valid, and a dermatologist can guide you through the process in either situation.”
When Mole Removal Is Considered
- Health reasons – any mole that exhibits suspicious changes (ABCDEs referenced above) should be evaluated for melanoma and potentially removed.
- Cosmetic reasons – some patients choose mole removal for aesthetic purposes, especially for prominent or irregular moles.
When Skin Tag Removal Is Considered
- Health reasons – skin tags in areas prone to friction or irritation from clothing or jewelry may become painful or inflamed. They can also bleed or be pulled from skin. In these cases, a dermatologist may recommend removal to improve comfort and avoid damaging skin.
- Cosmetic reasons – many people opt for skin tag removal because they want their skin to be smooth, and they don’t like the way skin tags make them look.
Dr. Estrada adds, “We never recommend the at-home removal of any of these lesions, when they have not been diagnosed by a medical professional, given the potential risk of skin cancer. We also do not endorse or advise self-removal options like snipping or desiccation with OTC chemical products, such as blistering agents or Compound W, as they may result in permanent discoloration and scarring, thus worsening the appearance and outcomes.”
How Dermatologists Help
Dermatologists are essential in distinguishing between various types of skin growths and recommending appropriate treatment. First and foremost, dermatologists offer an accurate diagnosis. Using advanced tools and clinical training, dermatologists determine whether a growth is a mole, a skin tag, or something else entirely, such as a wart or seborrheic keratosis. From there, dermatologists can offer safe removal options that ensure the patient is comfortable throughout the procedure while minimizing risk for scarring, infection, and other concerns.
Common Mole Removal Options
- Shave excision – removing the mole at the skin’s surface.
- Surgical excision – cutting out the mole out of skin and stitching the area.
- Laser removal – using an intense, focused light beam to remove small, non-cancerous moles.
Common Skin Tag Removal Options
- Excision – like moles, skin tags may be surgically removed, using a scalpel. However, there is usually no need to stitch the area after excision.
- Cryotherapy – freezing the skin tag with liquid nitrogen, causing it to break away from skin.
- Cauterization – burns away the skin tag using heat produced by an electrical current or laser.
Dr. Estrada reminds patients that “individual cases and insurances may vary, and some procedures may not be covered by insurance despite medical necessity.”
Spot the Differences & Talk to a Professional
When it comes to moles and skin tags, Dr. Estrada recommends, “Whether a mole changes suspiciously or a skin tag causes irritation, seeking professional advice is the first step toward peace of mind. Recognizing the distinctions between moles and skin tags empowers you to take control of your skin health, so you know what skin growths are more likely to be serious and can reach out to a dermatologist right away.”
Consult a Professional
If you notice new skin growths or changes in existing moles or lesions, don’t hesitate to consult a dermatologist. They provide a thorough evaluation, suggest appropriate skin monitoring strategies, and discuss safe removal options for both health and aesthetic concerns. Maintaining healthy, clear skin is easier with expert guidance. Schedule a dermatologic appointment today to ensure your skin gets the care it deserves. Getting started with U.S. Dermatology Partners is easy. Just spend a few moments filling out our online scheduling request and a local team member will be in touch soon.
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