And as we age, our skin doesn't produce new cells as quickly as it used to.

As we grow older, our skin doesn't produce new cells at the same pace.

This oil is similar to the oil or sebum our skin produces naturally.

But when the skin produces too much oil, problems can arise.

Nice eyes, hair, and skin produced a pretty woman, but a truly excellent nose created a beautiful woman.

Human skin naturally produces fumaric acid when exposed to sunlight.

To do this, your skin produces a type of oil called sebum.

Your skin produces vitamin D in response to the sun's rays.

The hormones also cause the skin to produce more sebum (oil), which usually leads to acne.

Your skin doesn't produce the humectants it used to.