Fact is our skin is mostly suffering under a lack of oxygen. Of course many different circumtances are playing an important role that it is like this.
The broadly known ones are:
UV-rays. Nowadays every child knows already that too much sun-rays are everything else than good for our skin.
Harmful substances in the environment which permanentely increasing in our technical-orientated society.
Climatical changes are doing the rest for this drawback.
Our daily stress is getting on our nerves with the consequence that it harms our skin and makes it wrinkly.
Fast food and wrong diet in general are support as well the destruction of healty skin, because so our skine doesnt get enough vitamines and minerals. Smoking is doing the rest to let our skin look old and wrinkly much more earlier as it is due to its biological age.
Last but not least everybodys biological physical aging process within the years is hindering an adequate absorbation of oxygen. The result is the loss of skins elasticity. The skin is losing humidity and is getting thinner. The is looking tired. First wrinkles are appearing, we are looking older and older and after while...