loses collagen and elasticity, which normally help maintain its thickness and firmness. As the skin becomes thinner and less elastic, underlying structures such as veins can become easier to see. This is particularly noticeable on the hands, where the skin is naturally thinner and is frequently exposed to sunlight and everyday wear.
High temperatures can also cause veins to appear more prominent. When the body becomes hot, it activates mechanisms that help regulate temperature, including the dilation of blood vessels near the surface of the skin. This allows heat to
