The Collaborative International Dictionary of English v.0.48:

Cuticular \Cu*tic"u*lar\ (k[-u]*t[i^]k"[-u]*l[~e]r), a.
   Pertaining to the cuticle, or external coat of the skin;
   epidermal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cuticular
    adj 1: of or relating to a cuticle or cuticula [syn:
           cuticular, epidermal, epidermic, dermal]