nega

1. (of the sick, children) care; nursing
   Baki je potrebna stalna nega. — Grandma needs constant care.
   Posle operacije ležao je na intenzivnoj nezi. — After the surgery he was in intensive care.
2. (of skin, hair) care
   Kupila sam novu kremu za negu lica. — I bought a new facial care cream.
   Kožne cipele zahtevaju redovnu negu. — Leather shoes need regular care.

The thing cared for goes in the genitive: nega bolesnika, nega kože.