topical

top·i·cal

adj \ˈtäp-i-kəl\

Definition of TOPICAL

: designed for or involving application to or action on the surface of a part of the body <applied a topical anesthetic to numb the skin> <eyedrops used in the topical treatment of glaucoma>

—top·i·cal·ly \-k(ə-)lē\ adverb