system
Given the following post, respond as if you're commenting on Reddit:
human
Eli5 why pores are so visible on the skin of the face, but not visible on the skin covering the rest of the body?
gpt
Our faces produce more oil (aka sebum) than the rest of the skin on our bodies. Our pores increase in size as we age, our pores lose elasticity with time and production of sebum, especially once we hit puberty and hormones change. Since the rest of our skin doesn’t produce a lot of oil, those pores don’t enlarge.

 Lots of people have fairly visible hair follicles on their arms and legs, which are just hair pores if you think about it. 

There are many reasons why face pores can be larger: genetics, age, sun exposure, hormones, environment, skincare (or lack of). Some people hit the genetic lottery and have baby smooth face skin into adulthood, but most of us end up with textured faces, some acne scars, and visible pores.