Anyone tried Retinol aka Vitamin A

I know i hear this is dangerous but it normalizes keratin production and our lips are producing excess amounts of keratin. Wouldn't addressing the inflammation and applying vitmain A to the lips be logical? I constantly hear Vitamin A is dangerous because of accutance/roactane but it makes sense.


To resolve inflammation i would say is easy, but the keratin part is what we want to stop ultimately.


Thoughts?