elastin
Collagen is the major insoluble fibrous protein in the extracellular matrix and in connective tissue. It’s found in our muscles, bones, skin and tendons. Collagen production naturally begins to slow down as we age. Making wrinkles, sagging skin and weaker cartilage in the joints
It gives you wrinkles, NO.
There are lots of things in skin. Yes, protein is part of it.
Collagen is a key protein that helps skin stretch and regain its original shape. It provides elasticity and support to the skin's structure, promoting firmness and resilience. Additionally, elastin fibers also play a role in helping skin return to its original form after stretching.
skin i think
a blowout is when the skin has been pushed from the inside of your ear. if you have a little bit of skin on the back of your ear around the stretching you should downsize and wait until it has healed. also your ears should not bleed while stretching :)
The skin on the belly hands or feet may itch during pregnancy because of the skin stretching.
The tissue and fat is stretching or gaining. Also the skin is stretching. It is normal so don't worry.
Collagen
skin
keratin
Keratin