Retained skin usually comes off with the next shed but you should try and remove the skin on the tail tip as that can lead to problems.
There’s an easy way .. just get a wet , rough textured cloth , then let the snake slither through your hands a few times ... paying particular attention to the tail where you apply very gentle pressure as it slithers through .. all the retained skin will come off easily .. it may mean letting it slither through a few times
Sent from my iPhone using Tapatalk Pro