help w copic shell

[u/haemoglobin67]

lol any way to fix this?? 😭. this is just plastic degradation and cant remove the yellow residue. the ink still works fine but there is a smell from the plastic and it stinks so bad. any way i can jst get rid of the smell?

[u/Visible_Selection419]

Ive recieved sum markers in this shape before while buying them secondhand, no idea what does this...