When and Why Do Hand Veins Become More Obvious?

hand showing before and after images of treatment for hand veins
October 15, 2023 0 Comments

Have you ever wondered why some people’s hand veins are more visible than others? It turns out it’s not just about getting older or genetics, but there are other factors that team up to make the veins in your hands stand out. Let’s take a look at how this happens!

Factors Influencing the Visibility of Hand Veins


As you get older, veins may become more visible. The natural aging process leads to a decrease in skin elasticity. The veins become more noticeable as your skin becomes thinner and less flexible.

Lower Body Fat Percentage

Fat acts as a natural cushion, providing a layer of coverage for your hand veins. When body fat decreases, the veins in your hands (and elsewhere) become more exposed and visible.

Family genes

Genetics also plays a role in influencing the visibility of the veins in your hand. Some of us may have naturally thinner skin or a lower layer of subcutaneous fat, making our hand veins more apparent. Genetic factors can also contribute to variations in your vein structure and composition – which also affects the veins’ visibility on your skin’s surface.

Environmental and Lifestyle Factors Affecting Your Hand Veins


Hot weather and warmer conditions can dilate your blood vessels and cause your veins to appear more pronounced as they try to help you cool down! You will notice more prominent veins after working out due to this factor.

Hand veins are more often exposed than other areas, so you may notice them more.

Exercise and Activity

Physical activity increases the blood flow throughout your body, including your hands. This can temporarily make your hand veins more pronounced.

Hydration Levels

Proper hydration is essential for maintaining adequate blood flow by strengthening muscles that support your veins. On the other hand, dehydration causes the blood to become more concentrated, making veins in your hands appear more prominent.

Sun Exposure

Prolonged exposure to the sun’s ultraviolet (UV) rays can damage your skin and affect vein visibility. UV radiation exposure can lead to collagen breakdown and weakening of the skin’s structure. This can make the veins in your hands more prominent and noticeable.

Sun exposure can also cause skin discoloration and pigmentation changes, which further enhances the appearance of your hand veins. That’s two good reasons to avoid too much UV exposure!

Smoking and Alcohol

You know smoking and excessive alcohol consumption is not a good idea for overall health. But they can also have a significant impact on your blood circulation. These habits can lead to narrowed blood vessels, reduced oxygen and nutrient supply to your tissues, and an increased risk of cardiovascular disease.

Medical Conditions and Health Factors That Cause Hand Veins to Show More

We don’t mean to frighten you with the following information. It’s here simply to complete our run-down on “when and why.” If you prefer to talk about the veins in your hands, contact us now instead of reading on! Otherwise, just check through the following and bear it in mind. Most visible hand veins do not indicate a problem!

Poor Circulation

Conditions like peripheral artery disease can affect the blood flow to your hands. This occurs when there’s a buildup of plaque in your arteries, leading to narrowing and reduced blood flow. As a result, the veins in your hands may become more visible as they work harder to compensate for the restricted blood flow.

Vein Disorders

Certain vein disorders, such as varicose and spider veins, can contribute to the prominence of hand veins, making them more visible and noticeable.

Medications and Supplements

Some medications and supplements can affect vein visibility as a side effect, such as blood thinners, corticosteroids, hormonal medications, and certain dietary supplements.

Liver Disease

Liver disease, like cirrhosis or liver failure, can lead to portal hypertension. This is when there’s high pressure in your portal vein, which carries blood from your digestive organs to your liver. This pressure can cause blood to flow backward and find new pathways, including the veins in the hands. As a result, the hand veins may become more visible due to the increased blood flow and pressure.

Kidney Disease

Kidney disease, particularly advanced stages such as chronic kidney disease, can lead to fluid retention and electrolyte imbalances. When your kidneys are not functioning properly, excess fluid accumulates in your body, leading to swelling (edema). Edema can cause your veins to appear more prominent as the excess fluid puts pressure on the blood vessels.


During pregnancy, hormonal changes and increased blood volume can contribute to the visibility of your hand veins. Your body produces more blood to support the growing fetus, which can result in expanded blood vessels, including those in your hands. Hormonal fluctuations during your pregnancy can also cause blood vessels to dilate, making your veins more prominent. These changes will almost certainly resolve after childbirth! They’re usually temporary.

A Proactive Approach to Visible Hand Veins

To promote vein health and reduce discomfort associated with visible hand veins, you can consider the following strategies:

  • Maintain a healthy lifestyle and exercise regularly to improve blood flow throughout your body.
  • Stay hydrated by drinking enough water. This is always good advice for overall health.
  • Protect your skin from sun damage by using sunscreen and other sun protection measures.

Vein Expertise in Denver

If you have any vein concerns at all, however, our dedicated team at Denver Vein Center can provide professional evaluation and guidance tailored to your needs.

While being able to see your veins is not always a cause for concern – and we wrote about visible veins in general last year – take action as soon as possible if you have any worries or notice significant changes in any of your veins.

Understanding the factors we’ve outlined above that contribute to hand veins being visible can help you make informed decisions regarding your ongoing health.

Contact us today to discuss any of your vein concerns.

Image © Denver Vein

Article Name
When and Why Do Hand Veins Become More Obvious?
Being able to see your hand veins is not always a cause for concern – learn when they might show and when to take action and consult.