提起美容,人们自然会想到把脸部装修一翻,这是为什么?这要从皮肤的生理结构谈起。人的皮肤表皮下面是真皮,真皮层主要含有两种纤维,一种叫胶原纤维,它很坚固,也不易变形。另一种叫弹力纤维,它使皮肤本身随着身体活动时体形改变而改变,人老了以后,这种纤维大部分消失,于是脸部就产生了皱纹。所谓美容,就是使脸上的胶原纤维层变 Lift beauty, people will naturally think of the face doubled, which is why? This from the skin’s physical structure to talk about. Below the human skin epidermis is the dermis, the dermis contains mainly two kinds of fibers, one is called collagen fibers, it is very strong, not easily deformed. The other is called elastic fibers, which make the skin itself changes with the body shape changes, when people are old, most of the fibers disappear, so the face had wrinkles. The so-called beauty, is to make the face layer of collagen fibers change