
There are many reasons dark circles can appear under the eyes. These include lack of sleep, Seasonal allergies, and Vitamin B12 deficiency. There are a few remedies that may help. There is no proven treatment that works long-term. The following article will cover the most common causes. If you suffer from dark circles under eyes, it is important to know what they are and how you can treat them.
Lack of sleep
For dark circles to appear around the eyes, getting enough sleep is vital. A lack of sleep can make the blood vessels beneath the skin appear larger, making it more sensitive to lightening and prone to dark circles. To minimize dark circles, you should aim to get seven to eight hours sleep each night. You can treat the condition with laser therapy or fillers.
Anemia
Anemia, or a lack in iron, is often the cause of dark circles under the eyes. The cause of this deficiency are poor circulation and low oxygen levels. The skin around the eyes and the veins and capillaries carrying red blood cells is close to the top. These veins and capillaries that carry red blood cells can become leaky and deposit their hemoglobin and red blood cell haemoglobin on the skin below. This leads to dark circles under your eyes.

Seasonal allergies
People who have allergies frequently experience puffiness or dark circles under their eyes. Nasal congestion can cause these circles by increased blood flow and swelling. The skin around the eyes is also susceptible to allergies and is very delicate.
Vitamin B12 deficiency
Vitamin B12 deficit can result in dark circles around the eyes. This vitamin is necessary for the health of blood cells and nerves. It plays an important part in the production DNA, which is the genetic material found within all cells. An insufficient amount of this vitamin could cause serious problems for the nervous system as well as the heart and brain.
Allergy triggers
Puffy eyes can be caused by allergies. This can also lead to dark circles under your eyes. There are over 140 food allergens. However, most allergy cases are caused due to specific preservatives, milk, peanuts and shellfish allergies. While it is impossible to avoid all allergy-related symptoms, there are things you can do to minimize their effects.
Retinoid creams
Retinoid-based creams for dark undereye circles can reduce puffiness. These creams can be a bit of a risk, especially for the delicate eye area. There are a number of things to consider before using these products, and it's best to do your research.

Cucumber
Cucumber has high levels of antioxidants. These compounds have been proven to reduce inflammation as well as fluid accumulation under your eyes. It also helps lighten dark circles and soothes the skin. This vegetable is also rich in 95% water, making it great for sensitive skin around eyes.
Caffeine
Caffeine has become a popular ingredient of brightening creams for dark under-eye circles. Caffeine can reduce puffiness, dark under-eye circles, and fine lines. It helps to improve blood flow around the eyes.