Beautymarks (moles) andfrecklesmay look similar, but they are quite different.
Common causes of beauty marks andfrecklesinclude genetics and sun exposure. Ultraviolet (UV) rays from the sun trigger the production ofmelaninin the skin by melanocytes. People with blonde or red hair, light-colored eyes and fair skin are more prone to the damaging effects of UV rays.
| Beauty marks (moles) | Freckles | |
|---|---|---|
| Color | Black or a bit darker than freckles | Brown |
| Causes | Melanocytes growing in clusters or clumps | Excess localized production of melanin triggered by sun exposure |
| Location | Face, neck, shoulder, or collarbone area | Body parts exposed to the sun |
| Appearance |
|
Flat, beige, brown, circular spots that are typically the size of the head of a metal nail |
| Benign or cancerous | Benign but sometimes may turn cancerous | Benign |
| Border | Irregular with uneven edges | Irregular and well-defined |
What are beauty marks?
Beauty marks, moles, orbirthmarksare growths on the skin that are usually darker than the skin and may appear black or brown. They are mainly found on the face, neck, shoulder, or collarbone.
Beauty marks may be present at birth or be acquired over time. It occurs when melanocytes grow in clusters or clumps.
Beauty marks are usually harmless, but in rare cases can turnprecancerous。特别注意如果他们改变颜色, shape, or size or start toitchor bleed.
What are freckles?
Freckles are flat brown spots on the skin that form due to overproduction of melanin and an increase in the total number of melanin-producing cells called melanocytes.
They are formed as multiple spots on skin after repeated exposure to sunlight and are common in people with fair complexions and red hair.
There are two types of freckles:
- Ephelides:Most common type of freckles which occur during the warmer months
- Solarlentigines:Large, pigmented spots commonly seen around sunburns and sun damage
SLIDESHOW
Rosacea, Acne, Shingles, Covid-19 Rashes: Common Adult Skin DiseasesSee SlideshowAre beauty marks or freckles dangerous?
Freckles are completely harmless and don’t have the potential to turnmalignant。
Beauty marks, however, while usually harmless, can turn cancerous. Always consult a dermatologist to determine whether you should be concerned about a mole. Warning signs that may indicateskin cancerinclude:
- Asymmetrical:One half of the mark is different from the other half
- Borders:Borders are uneven and blurred
- Color:Color is uneven
- Diameter:Diameter is larger than 0.6 cm
- Elevation:Change in color, size, shape, or symptoms, such asitchingand bleeding
How to prevent beauty marks and freckles
The best way to prevent beauty marks or freckles is to avoid sun exposure. Usesunscreenwith asun protectionfactor (SPF) of at least 30, ultraviolet A, and ultraviolet B +++ when going outdoors. Reapply after every 40 minutes.
If you are at higher risk of developingskin cancer, monitor your moles regularly. This includes people who have:
- Fair skin
- Multiple beauty marks
- Relatives withatypical molesor a history ofskin cancer
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Health SolutionsFrom Our Sponsors
Mayo Clinic. Moles. https://www.mayoclinic.org/diseases-conditions/moles/symptoms-causes/syc-20375200
WebMD. Moles, Freckles, and Skin Tags. https://www.webmd.com/skin-problems-and-treatments/guide/moles-freckles-skin-tags
Medline Plus. Are Moles Determined by Genetics? https://medlineplus.gov/genetics/understanding/traits/moles/
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