Introduction: Dark circles under the eyes are a common cosmetic concern for many individuals, causing a tired and aged appearance. While they are typically harmless, they can affect one's self-confidence. Understanding the causes behind dark circles and implementing effective remedies can help alleviate this issue and promote brighter, healthier-looking eyes. Causes of Dark Circles: 1. Genetics:  Genetics plays a significant role in the development of dark circles. If your parents have them, you're more likely to inherit the condition. 2. Thin Skin:  The skin around the eyes is delicate and thin, making blood vessels more visible, leading to the appearance of dark circles. 3. Lifestyle Factors:  Lack of sleep, excessive stress, poor nutrition, and dehydration can contribute to the formation of dark circles. 4. Allergies:  Allergic reactions can cause inflammation and swelling under the eyes, resulting in dark circles. 5. Sun Exposure:  Prolonged exposure to the ...