What are the negatives of using Retin-A?

[Equinox]

Title.

 

[needsolution]

None

 

[Morpheus]

Dry skin and increased sensitivity to the sun but both of those are easily manageable.

 

[GordonFreeman]

1) Purge
2) Being pale for as long as you use it

 

[JameshetfieldOnRoids]

I have to use a computer at least 6 hours a day due to work. Does retin-a and lights from computer have any effect on the skin? I am using it for a while.