Call in centre in Lakeland for nail polish (6)
I believe the answer is:
enamel
'nail polish' is the definition.
(I've seen this before)
'call in centre in lakeland' is the wordplay.
'call' becomes 'name' ('name' can be a synonym of 'call').
'in' means one lot of letters goes inside another.
'centre in' indicates the central letters.
The central letters of 'lakeland' are 'el'.
'name' going inside 'el' is 'ENAMEL'.
'for' is the link.
(Other definitions for enamel that I've seen before include "Hard, glossy protective coating" , "Hard white substance covering the crown of a tooth" , "Smooth hard paint" , "Dental material" , "Vitrified coating for metal etc" .)