or shortly after exercise.
They often become less noticeable again after the body cools down and blood flow returns to normal.
- Hot Weather Can Make Them More Noticeable
Have you ever noticed your veins looking larger during summer or after a hot shower?
Heat causes blood vessels near the skin to widen, a process called vasodilation. This helps the body release heat.
As a result, hand veins may temporarily look:
Wider
Darker
More raised
Once you cool down, they often become less prominent again.
- Genetics May
Be the Main Reason
