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How do allergies contribute to the development of dark circles?

When an individual is exposed to an allergen, such as pollen, dust mites, pet dander, or certain foods, their immune system reacts by releasing histamines. Histamines are chemicals that cause inflammation and dilation of blood vessels.

In the case of allergies, histamines can cause blood vessels under the eyes to become dilated and leaky. This leakage leads to the accumulation of blood and fluid in the surrounding tissues, resulting in swelling and discoloration.

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Additionally, allergies can trigger an inflammatory response in the body, leading to the release of various substances, including cytokines. These cytokines can stimulate the production of melanin, the pigment responsible for skin color. Increased melanin production in the under-eye area can contribute to the appearance of dark circles.

Furthermore, allergies often cause itching and rubbing of the eyes. Continuous rubbing or scratching of the delicate skin around the eyes can damage the blood vessels, leading to further leakage and exacerbating the dark circles.

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It is important to note that allergies are not the sole cause of dark circles, and other factors such as genetics, aging, lack of sleep, and sun exposure can also contribute to their development. However, managing allergies and reducing exposure to allergens can help minimize the occurrence and severity of dark circles.

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