Home Freckles What Causes Freckles to Appear on Skin and Eyes?

What Causes Freckles to Appear on Skin and Eyes?

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What causes freckles? Learn what causes freckles to appear on skin of the face, shoulders, chest, and upper arms and in the eyes. Additionally, discover the causes of freckles of brown and red colors as well as the causes of pigmented moles in this article.

The skin is sensitive area and we tend to notice any abnormalities on it. If you do not take note of the acne on your skin, you will probably notice the big pores on skin that cause you to be oily. The irregularities do not end in big pores because when they become clogged they become breeding grounds for bacteria. The result of that would be an infected pore or clusters of infected pores.

Freckles on Face
Freckles on Face

Freckles are the uninvited marks on the skin as well. These tend to be brownish, reddish or sometimes black in color. What puzzles many is what causes freckles. School going children are likely to have them than adults. You wonder why this is the trend. What causes freckles to appear on skin? On top of that, they appear on eyes too. Find out what causes freckles to appear on skin and eyes. Furthermore, unearth the various types of freckles.

What Causes Freckles to Appear?

Freckles are mostly brownish in color, however in some cases they may be red or black depending on what causes freckles of red and black colors. The common brownish freckles appear on children and teens mostly. Although in some cases they can be found in elderly adults, adults between 35-40 years will unlikely have them.

What causes freckles to appear? “Freckles can be found on anyone no matter their genetic background; however, the amount of freckles is genetic and is related to the presence of the melanocortin-1 receptor MC1R gene variant” (Wikipedia.com).

Besides freckling people having MC1R dominant genes, they freckle when exposed to sunlight for long hours. This is because the skin cells known as melanocytes are prompted to produce melanin. Melanin is the dark color pigment in the skin that causes people to get an even skin tan. Too much exposure to sunlight makes the overproduction of melanin by melanocytes in people with freckling genes freckle instead of tanning. This is because their melanin pigment is concentrated in a few areas and not evenly spread out on the skin.

People who have freckles genes are normally light in color with red or blonde hair. These people tend to have smaller quantity of melanin. Thus, they freckle instead of getting a tan like people with dark skin do when they get too much exposure of sunlight.

To answer the question, what causes freckles to appear? What causes freckles is Melanocortin-1 Receptor genes and too much sunlight.

What Causes Red Freckles?

Freckles as I said earlier come in various colors depending on their cause. The red freckles are the other type that can be seen on any type of skin. These are usually small and red dot marks on skin. They appear the size of ballpoint marks and sometimes may be even larger than that. These

Black freckles
Black freckles

red freckles are also known as:

  • Cherry angiomas
  • Senile angiomas
  • Hemangiomas
  • Campbell de Morgan spots

What causes red freckles? Before I give you the answer, you must know that they are cuts that come about because of openings in blood vessels that are clustered together. The endothelial cells coating the blood vessels grow and segregate causing the gash.

The colors of these red freckles may become pink, bright red, blue, purple and even black. They are also common in middle-aged people and tend to increase in number with time. The red freckles may also become larger after some time. Red freckles appear more on the torso, but can also be found on upper arms, and thighs among other body parts. Find more information on red freckles.

So what causes red freckles? Medical professionals believe that it is both genetics and the surroundings. People who have them have many white blood cells as opposed to those who do not get them. The chemical evidence of mustard gas has also been linked to their appearance. Leukemia and Lupus are also diseases associated with red dots. In the case of these diseases, the red freckles are known as petechiae.

What Causes Freckles and Pigmented Moles?

As seen above, the causes of freckles are purely genetic. However, the sunlight plays a major role in making them appear on the skin surface. The freckles are not the only imperfections that appear on the skin because there are pigmented moles as well.

The next question should be what causes freckles and pigmented moles? To answer this question you have already found out that genetics and exposure to sunlight are what causes freckles. However, when it comes to pigmented cells, they are not freckles and should not be confused as such.

While the freckles show presence of melanin scattered on the skin surface, pigmented moles on the other hand, are skin cells that have accumulated on the skin surface. These make the color of the skin to change to dark brown or black.

Although freckles and pigmented moles are not harmful, when the moles change in color, size, shape, become painful or itchy, there is cause to worry and see your dermatologist as soon as possible to rule out the possibility of the pigmented mole being cancerous.

Does the Sun Cause Freckles?

What Causes Freckles to Appear on Skin and Eyes
Brown Spots (freckles)

By now, you know that if you have genes that cause freckles if you stay under the sun for long hours, you will not get a perfect tan but freckles. The question however is does it really cause people to freckle?

Yes, the sun causes freckling in people with MC1R genes. No, wonder some people will have freckles in summer months only to disappear in cold weather. For other people they just have freckles throughout the year. Does the sun cause freckles? What causes freckles for those having them throughout is the fact that there has been adverse sun damage on their skin for many years. It is possible to avoid the appearance of freckles if you know that you have it in your genes by doing the following:

  • Avoiding the sun between 10 am and 4 pm, this is when the sunlight has the skin damaging ultraviolet rays.
  • If you have to sit or walk under the sun, wear sunscreen with SPF 15 or higher. The higher the probability of freckling on face or shoulders the higher should be the SPF. Shoulders overall tend to get more sun damage than any other part of the body.
  • It is also important to wear a big brimmed hat and glasses when you cannot avoid walking under the sun

What Causes Eye Freckles? – Inside the Eye

What causes freckles on skin is the same phenomenon inside the eye. The membrane responsible for the color pigment in the eye, also known as choroid, sometimes has the cells in clusters. This clustering makes the iris in the eye to appear discolored. Hence, the eye becomes freckled. What causes eye freckles? Choroidal nevi, is the medical explanation.

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