Fatigue and lack of sleep: it can make the skin dull and pale showing dark blood vessels underneath and build up fluids under the lower eyelids causing shadows under the lower eyelids.
Aging: aging is risk factor for those dark circles beneath the eyes. As one gets older, the skin becomes thinner and also loses the fat and collagen needed to maintain your skin’s elasticity. As this occurs, the dark blood vessels beneath your skin become more visible causing the area below your eyes to darken.
Eye strain: Staring at your television or computer screen can cause significant strain one the eyes. This strain blocks the blood circulation around the eyes. As a result, the skin surrounding the eyes can darken.
Dehydration: dehydration is another risk factor for dark eye circles. It makes the skin losing water and dark blood vessels would show.
Sun exposure can cause the skin to produce an excess of melanin, the pigment that provides your skin with color causing pigmentation in the surrounding skin to darken.
Treatments for dark circles under eyelids can be difficult. At most of the time, people use makeup to cover the dark circles which is not ideal solution.
Facial acupuncture can help blood circulation around the eyes and reduces dark circles under the lower eyelids.