1. Poor Nutrition
Lack of essential nutrients is one of the reasons dark circles under the eyes become more noticeable. When the body is deficient in nutrients, it reacts by causing dark circles to appear. Ensure you maintain a balanced diet to keep your body healthy and vibrant.


2. Allergic Rhinitis
Allergic rhinitis can cause swelling in the areas under the eyes and around the nose, leading to poor blood circulation in these regions. Over time, this can result in the darkening of the under-eye circles.


3. Smoking and Stimulant Use
Smoking and consuming stimulants like alcohol and coffee cause blood vessels to constrict, leading to poor circulation and regulation. This results in the appearance of wrinkles and dark circles under the eyes, making you look less attractive. To combat this, reduce the use of such substances and opt for skin-friendly foods and fruit juices to help your skin recover faster.


4. Dehydration
When your body lacks sufficient water, it signals this through swollen and darkened under-eye areas. Ensure you drink enough water daily, around 1.5 to 2 liters, to keep the skin under your eyes hydrated and vibrant.


5. Hormonal Changes During Pregnancy
During pregnancy and after childbirth, a woman's body becomes significantly weaker, and the skin often deteriorates noticeably, including the delicate area under the eyes. Dark blue blood vessels beneath the thin skin around the eyes become more visible, leading to the appearance of dark circles.


6. Aging
As we age, the skin's structure becomes thinner and weaker, losing its elasticity and showing signs of aging. These changes are particularly noticeable in the delicate skin under the eyes, making dark circles an inevitable part of growing older.


7. Illness
Another cause of dark circles is underlying health conditions such as cardiovascular disease, liver issues, or thyroid problems. If you don't use stimulants, have no genetic predisposition, maintain a balanced diet, and take good care of your skin, yet still experience persistent dark circles, it's advisable to consult a doctor as soon as possible.


8. Damage from Vigorous Rubbing
The skin around the eyes is extremely sensitive and thin, about one-tenth the thickness of the skin on other parts of the face, making it highly prone to damage. Ironically, despite its thinness, it contains numerous blood vessels. Rubbing or scratching the eyes not only creates fine wrinkles but can also break capillaries and deplete collagen, leading to dark circles.


9. Incomplete Makeup Removal
The skin around the eyes, especially the eyelids, is often exposed to products like eyeliner, mascara, and eyeshadow. Over time, these cosmetics can accumulate and cause pigment deposits. If you don't remove your makeup thoroughly, you might end up with a natural smoky eye look without even trying, hehe. However, remember that makeup removal should be both effective and gentle to avoid damaging the delicate skin.


10. Genetics
The first cause to mention here is genetics. Some people develop dark circles under their eyes from a young age due to inherited traits. If parents have thin under-eye skin with visible blood vessels or an excessive concentration of melanin, these characteristics can be passed down to their children.


11. Lack of Sleep
One of the most common causes of dark circles is sleep deprivation. When you don't get enough sleep, oxygen levels in the blood drop, and circulation slows down, leading to the formation of wrinkles and noticeable dark circles under the eyes. Cultivate a habit of going to bed early and maintaining a consistent sleep schedule to allow your body to rest and improve blood circulation.


12. Excessive Sun Exposure
Ultraviolet rays from the sun stimulate the production of melanin in your skin, causing the area under the eyes to darken. When going outside, it's advisable to use an umbrella, wear a hat, and, most importantly, put on sunglasses to protect the delicate under-eye skin from the harmful effects of sunlight.


