The collagen that is included in face creams comes from animal skin.
面霜中的胶原蛋白取自动物皮层。
Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared.
在此基础上，以硫酸钠为凝固剂，对胶原-PVA共混溶液进行湿法纺丝，制备了胶原-PVA复合纤维。
Collagen fibers appear in the wound.
在伤口中出现了胶原纤维.
It's been studied for effects on collagen synthesis and barrier protection.
来自SA
What was left was a three-dimensional web of collagen fibres which was transplanted into Ciaran.
来自BBC
"Dermatologists have lived under the impression that once you have wrinkles and damaged collagen, that's it," Yarosh says.
来自SA