Contains the enzyme bromelain , which can break down the connecting layers between skin cells to exfoliate skin. However, bromelain is a more effective source of exfoliation without the other irritating properties of the pineapple. Piper nigrum . See black pepper . See placenta and protein .
Protein works the same on skin regardless of the source.
It is just a good water-binding agent. Obtained from the afterbirth of animals. It is supposed to have rejuvenating properties for skin, but this claim has never been proven in research of any kind. Much like any part of a human or animal body, the placenta is a source of proteins, amino acids, and other water-binding agents for skin. It cannot make skin act young just because the source is young.