What is plasma and how to treat hair loss?

What is a plasma?  Treating hair loss:
It is known that blood consists of red blood cells, white blood cells, and platelets. In addition to all that, there is what is called plasma, and plasma is a white liquid that tends to yellow, which gives fluidity to the blood and facilitates its movement. The main function of plasma in the body is to transport food to cells as it performs transporting metabolites.
Plasma has been used in the hair. When injecting the scalp with plasma, it renews cells and stimulates the production of collagen and protein, which makes the scalp strong and healthy and has the ability to germinate new hair and nourish it with proper nutrition. In addition, the plasma contributes to the inhibition of the hormone that causes hair loss.