People of Caucasian and Asian descent are more prone to ephelides. Solar letigines : Like ephelides, this type tends to appear in Caucasians and adults over 40 years old. The credit for freckles goes to both the natural environment and genetics.
Your risk for burning can increase the incidence of freckles. In a study of middle-aged French women, two elements predicted the presence of freckles: frequent sunburns and a gene known as MC1R, which provides instructions for making melanin. There are two type of melanin: pheomelanin and eumelanin.
For solar lentigines, the French study also found that several different factors increased the likelihood, including:. All freckles fall into the ephelides and solar lentigines category, although freckles and sun spots can differ. Solar lentigines include sunspots, which can sometimes be scaly. Moles are not the same as freckles. They are still skin lesions but are often darker and not necessarily associated with sun exposure. Like ephelides though, moles are more common among light-skinned people.
A mole is made of an excess of pigment-forming cells with a greater than average supply of blood vessels. Moles can take on a wide variety of appearances. The color can range from brown to pink and can assume different shapes. Freckles and moles by themselves pose no threat. But moles can suggest an increased risk for melanoma , or malignant skin cancer. Make an appointment with your doctor or a dermatologist if your freckles, moles, or sunspots display one or more of the above criteria.
The risk of melanoma increases with the number of moles. Someone with moles can have a 1. This can be as high as times more for someone with moles or more. In one analysis, the risk of melanoma for white populations was approximately 32 and 20 times higher than people with darker skin.
Freckles have zero potential for malignant transformation. While most moles are harmless they can, rarely, become cancerous. Moles that have some potential for malignant transformation will often change, either growing or showing a different border. Symptoms like itching or bleeding are also of concern. Paying attention to moles and other pigmented patches in the skin is an important step in detecting skin cancer, particularly malignant melanoma.
In truth, a mole and a beauty mark are the same thing. And while attractive, they are still moles and should be treated as such should they change in shape, size, or color. Freckles vary in color depending on the person and their genetic makeup. But excessive exposure to sun may cause your freckles to deepen in color. While still not actually harmful , they can cause some discomfort in your appearance and are usually a sign that your skin has been exposed to too much sun in the first place not to mention that dark spots can actually make you look older!
If melanin builds up in a specific location under your skin, a brown, tan, or red freckle can appear. Going out in the sun makes your skin cells start producing extra melanin intended to shield your skin from sun damage. Increased melanin is also behind your sun tan — as well as your sunburn. If you have the necessary genetic predisposition, exposure to the sun will bring freckles out on your skin.
Freckles are most likely to appear on areas of your body that get the most sun exposure, like your face, arms, neck, back, and upper chest. Not everyone gets freckles, or has the same number or pattern when freckles appear. For some people, freckles are common in childhood, and then fade later in adult life. If you have light-colored hair and skin, you're more likely to get freckles, at least during the sunnier seasons of the year.
Some people don't mind their freckles, but others prefer to minimize the appearances of irregularities in their skin tone. Toning removes any excess sebum and other impurities and refreshes the skin ready for moisturising. Like all other skin types, skin that freckles easily also needs to be hydrated to stay radiant and beautiful. Hydrating the delicate eye area is an essential skin care step, as this area is more fragile and prone to dryness.
If you apply an effective eye cream , you can minimise the appearance puffiness and dark circles to brighten the sensitive eye contour. Some people mistake Lentigo for freckles but unlike freckles, lentigines keep their pigmentation all year round. These brown or black spots, they're also known as liver spots and are common especially on sun-exposed areas and can go away over time. Having fair skin, sun exposure or repeated sun damage can cause Lentigo, especially in mature skin.
A - Asymmetry: Normal moles are symmetrical, draw a line through the middle. Both sides should be symmetrical. It may be something more sinister otherwise and worth seeing your doctor. B - Border: Moles that may cause cancer often have borders that are uneven, bumpy or jagged. C - Color: Having freckles or moles with more than one colour can be a sign of something cancerous D - Diameter: A growth larger than 6mm should be checked by a doctor E - Evolving: Any changes in size, height or colour of a mole should be checked by a doctor.
We are using tools to analyse our users' behaviour in order to optimise our website. You can object to this at any time here. Accept Adapt. Why Do We Get Freckles?
0コメント