Moles vs. Freckles – Here’s the Difference (And How to Spot When Something’s Wrong)
Noticing changes in your skin is often enough to send you straight into a Google search spiral. I understand, I’ve been there. Is it a freckle? A mole? Has it always been there and when should you be concerned?
The good news is that most freckles and moles are harmless. But understanding the difference between a mole and a freckle can help you confidently keep an eye on your skin and know when it’s time to get something checked.
To help break it down, we chose Dr Björn Thomas Harley Street dermatologist and founder of Thomas Clinicfor a mini-overview on:
- Moles vs. Freckles
- Key signs and changes that warrant a second look
- How to be aware of your skin cancer risk
- Where to go for help
Good to know – Summer is approaching and May is Skin cancer And Melanoma Awareness Month, making it an opportune time to better understand what you’re seeing on your skin.
What is the difference between moles and freckles?
When it comes to moles and freckles, both involve pigments in the skin, but they develop differently.
“Moles and freckles are both pigmented lesions, but they are very different things,” says Dr. Thomas. “Moles (melanocytic nevi) are nests of melanocytes, the pigment-producing cells in the skin, grouped together in the skin. Freckles (ephelids) occur when individual melanocytes simply produce more melanin (pigment) in response to sun exposure, rather than forming clumps.”
In simpler terms, Freckles tend to appear because your skin reacts to UV exposurewhile Beauty moles are real clusters of pigment cells.
Freckles are also usually vibrant. You may notice them darkening in the summer and fading in the winter, especially if you have fair skin. Moles tend to stay more constant over time.
Dr. Thomas also points out that many people confuse freckles with solar lentigos, often called age spots or sun spots.
“It’s worth separating freckles from solar lentigos, which people often confuse,” he says. “Freckles are dynamic: they darken in summer and fade in winter. Solar lentigines are fixed and permanent, representing a true increase in melanocyte density. I would describe them as a marker of cumulative sun exposure.”
How to tell if a mole or freckle is cancerous or abnormal
One of the most common searches regarding skin health is whether a mole or freckle is cancerous.
No online checklist can replace a professional assessment herebut there are a few recognized warning signs that dermatologists use.
Dr. Thomas recommends starting with the ABCDE rule:
- A: Asymmetry – one half does not match the other
- B: Border – jagged, uneven or blurry edges
- C: Color – variation within the same lesion, or of two or more colors
- D: Diameter – historically, lesions larger than 6 mm deserved special attention, even if the diameter alone is now considered less reliable
- E: Evolution – changes over time are now considered one of the most important warning signs
This last point matters a lot. A mole that changes shape, color, size, texture or feel is worth paying attention to, even if it doesn’t check all the other boxes.
Dr. Thomas also highlights the “ugly duckling” principle.
“Any lesion that looks out of place compared to your other moles deserves special attention,” he explains.
Beyond the areas of our skin that are generally most exposed to the sun, it is also important to remember that melanoma can appear almost anywhere on the body. Dr. Thomas notes that melanomas can develop on the scalp, palms, soles of the feet, nails and even the whites of the eyes.
What mistakes do people make when looking for anomalies?
According to Dr. Thomas, many people put too much pressure on themselves to become experts overnight.
“I think it’s unfair to put too much diagnostic responsibility on patients,” he says. “The key habit is regular self-examination, every four to twelve months depending on your risk leveland seek professional advice if there is anything that concerns you.
He explains: “One of the pitfalls I see is false reassurance after a clear mole chart analysis or screening check,” says Dr. Thomas. “Things can change between assessments, so it’s important to continue to monitor yourself in the meantime.”
If you’ve already done mole mapping or skin imaging, keeping copies of your base images can be helpful because comparing photos over time makes it easier to spot subtle changes.
Are some of us more at risk than others?
Yes, and risk levels can vary greatly from person to person.
“We are moving more and more toward stratified risk assessment rather than treating everyone the same,” says Dr. Thomas.
Some of the biggest risk factors include:
- Light skin and red hair – Red hair and light skin are linked to pheomelanin, which carries a higher risk of UV damage than eumelanin, which is more commonly found in darker hair and skin.
- Skin that burns easily – If you tend to burn rather than tan, it is especially important to minimize UV exposure.
- Family history – Have a first-degree relative with melanoma, basal cell carcinoma or squamous cell carcinoma increases your risk.
- Organ transplant recipients – People take long-term immunosuppressive medications are considered a particularly high risk group and are often monitored more closely.
Dr. Thomas also points out that although the overall risk of skin cancer is lower in South Asian and Black African patients, there are still areas that need special attention.
“Acral sites, particularly the palms, soles and nails, remain vulnerable to acral lentiginous melanoma and should not be neglected,” he says.
Where to get help if you’re worried
If you are concerned about a mole, freckle, or any changing lesion, making an appointment with a dermatologist is the best next step.
“If you have any concerns about a lesion, consult a dermatologist,” advises Dr. Thomas. “NHS patients can ask their GP for a referral via the two-week waiting procedure for skin cancer. »
He also notes that even private dermatology waiting times can extend beyond six weeks in some areas, so it’s worth acting as soon as possible if something changes.
Understanding the basics of moles and freckles can make examining your skin much less painful. Most marks are harmless, but paying attention to new or changing lesions is an important habit for long-term skin health.
Did you like this feature? Bookmark this one to read next: Our 7 Favorite Kids Are Wearing Sunscreen This Summer (And Yes, Adults Can Use It Too)
The article Moles vs Freckles – here is the difference (and how to spot when something not going) appeared first on The Ribbon Box.
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