Generally, collagen type of skin is type I collagen
Collagen is a protein yes. Protein is a broad category of molecules.
To the best of my knowledge, no, but there may be by-products made from cow's blood in it. The more likely cow product in lipstick would be collagen from cow tracheas (windpipes).
yes the dermis contains both elastic and collagen fibers
collagen
Collagen and elastin
The main causes can be grouped into three categories; injury to blood veins, increased blood clotting, and blood stasis. When blood veins are damaged, collagen in the blood vein wall is exposed. Platelets respond to collagen by.
Collagen are fibres and are nonliving structure. They are very strong threads and do not contract.
soy, beetroot, black olives, spinach, celery, tomatoes, & goji berries. These contain the most collagen, especially the soy.
Because they contain collagen, which gives some flexibility
Tendons contain a number of different proteins, but the protein that is most prominent is a type of collagen.
Blood cloths when damaged cells release collagen, this activates a chain reaction in trombocytes. Collagen does not release in vesels under normal conditions.