Skin problem Dr Pim? I see! (9)
I believe the answer is:
epidermis
'skin' is the definition.
(I've seen this before)
'problem dr pim? i see' is the wordplay.
'problem' indicates anagramming the letters.
'dr'+'pim'+'i'+'see'='drpimisee'
'drpimisee' anagrammed gives 'EPIDERMIS'.
(Other definitions for epidermis that I've seen before include "Outermost layer" , "Protective covering" , "Surface of the skin" , "Outer layer of skin" .)