Many people don’t know why it’s easy to get red blood on their face, and it’s hard to get rid of it, which is actually related to many reasons.
The upper layer of our skin is the epidermis, which plays a protective role (barrier), and the lower layer is the dermis, which provides nutritional functions and related physiological activities.
In the dermis, a large number of small blood vessels and capillaries are distributed for the transport of nutrients and waste.
The walls of capillaries are so thin that only one red blood cell can pass through the tiniest vessels (pictured below), making them as thin as a cicada’s wings.
Many physiological and pathological factors can lead to dilatation of capillaries and small blood vessels.
The female epidermis itself is thinner, so when the blood vessels dilate, the walls become thinner, and the blood flow increases, the naked eye can see more red, which is the basic cause of red blood.
The main causes of vasodilatation are nervous and psychological factors: tension, excitement, excitement, anger;
Physical factors: heat, cold, sunlight, friction (mechanical force);
Chemical factors: acid, alkali, salt, pathological factors: bacterial infection, skin damage and other inflammatory errors Skin care factors: excessive skin care, excessive, excessive care to the beauty salon, resulting in skin thinning, skin damage, fragile barrier function.
This factor is the most common in daily life and therefore must be the focus of attention.
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