eli5 Why are there chemicals that can damage the skin instantaneously but not the other way around like improving it in a second

Question

Always wondered why acid attack works in an instant but there are no other chemicals (to my knowledge) that can heal or improve the skin instantly

In: Chemistry

Answer 1

The same reason that cutting a paper takes seconds, but making new paper takes a lot more time and effort.

Destroying cells is easy. Getting those cells to rebuild correctly takes time.