Microcirculation

Microcirculation is blood flow through networks of tiny vessels, including arterioles, capillaries, and venules. These vessels regulate local tissue perfusion and allow oxygen, nutrients, and metabolic products to move between blood and tissue.

Microcirculation isn’t an esthetic condition that can be judged from appearance or sensation alone. A circulation label on a hands-on service also doesn’t prove that the service improves this vascular system.

The microvascular network

Microcirculation includes more than capillaries. The network generally runs through three types of small vessel.

• Arterioles: Small branches of arteries that help regulate how much blood enters tissue.
• Capillaries: Extremely thin vessels where substances move between blood and tissue.
• Venules: Small vessels that collect blood after it has passed through the capillary bed.

The shape and density of these vessels vary among organs. Their shared job is to manage local blood flow and exchange close to the tissue.

The role of microcirculation

Arterioles adjust incoming blood flow to local needs. At the capillaries, oxygen and nutrients move toward tissue while carbon dioxide and products of metabolism move toward the blood. Venules then carry the blood toward larger veins.

This isn’t a separate circulation system. It’s the tissue-level part of the same route that carries blood from the heart through arteries and back through veins.

Blood microcirculation and lymph

The lymphatic system also helps manage fluid in tissue, but it isn’t the same as blood microcirculation. Blood moves within blood vessels under pressure generated by the heart. Lymph begins as part of the fluid around cells, enters lymphatic vessels, and later returns to the venous system.

Puffiness, cold hands or feet, and a change in skin color can have many causes. One sensation or visible sign can’t identify the state of either system.

Esthetic industry use

Esthetic services may use the word circulation for sessions that include pressing, stroking, or warmth. A client may feel warm or comfortable afterward.

That feeling isn’t a measurement of microvascular function. Research and medical assessment use separate methods to measure blood flow or tissue perfusion. Esthetic care doesn’t diagnose or treat vascular disease.

Related terms

• Capillary: A very small blood vessel where exchange occurs between blood and tissue.
• Lymph: Fluid that enters and travels through lymphatic vessels. It follows a different system from blood microcirculation.
• Swelling: An increase in fluid within tissue. Swelling alone doesn’t identify the state of microcirculation.
• Manual massage: Care that adjusts pressure and movement by hand.

Frequently asked questions

Is microcirculation different from blood circulation? It’s one part of blood circulation. The term refers to flow through arterioles, capillaries, and venules close to the tissue rather than through large vessels.

Do cold hands mean poor microcirculation? Coldness alone can’t show the condition of your microcirculation. Ongoing symptoms, pain, or a change in skin color need medical assessment.

Can esthetic care improve microcirculation? You may feel warm or comfortable after care, but that sensation doesn’t prove improved microcirculation. Esthetic care doesn’t measure microvascular function or treat vascular disease.

This glossary entry is for general information. Experiences vary, and esthetic care isn’t intended to prevent or treat a condition.