What makes shadows under the eyes?

There are several factors that can contribute to the appearance of shadows under the eyes, including:

1. Thin skin: The skin under the eyes is very thin, making it more prone to showing blood vessels and dark circles.

2. Genetics: Some people are simply more likely to develop shadows under the eyes due to their genetics.

3. Aging: As we age, the skin loses its elasticity and the muscles around the eyes weaken, which can lead to the appearance of shadows.

4. Allergies and congestion: Allergies and nasal congestion can cause the blood vessels around the eyes to swell and become more visible, creating a shadowy appearance.

5. Lack of sleep: When you don't get enough sleep, the blood vessels under your eyes can become dilated and more visible, leading to dark circles.

6. dehydration: Not drinking enough water can cause the skin under the eyes to become dehydrated and appear sunken, which can make shadows more noticeable.

7. Sun exposure: Prolonged exposure to ultraviolet (UV) radiation from the sun can cause the skin under the eyes to become thinner and darker, leading to the development of shadows.

8. Smoking and alcohol: Smoking and excessive alcohol consumption can contribute to the appearance of shadows under the eyes by dehydrating the skin and causing damage to the blood vessels.

9. stress: Stress can cause the body to release hormones that can lead to the dilation of blood vessels, making shadows under the eyes more noticeable.

10. Medical conditions: Certain medical conditions, such as anemia, thyroid problems, and kidney disease, can cause shadows under the eyes as a result of fluid retention or other underlying health issues.