re·touch 
(rē-tŭch)
(rē-tŭch)v. re·touched, re·touch·ing, re·touch·es
v.tr.
1. To add new details or touches to for correction or improvement.
2. To improve or change (a photographic negative or print), as by adding details or removing flaws.
3. To color (recent growth of hair) to match hair that was tinted, dyed, or bleached at an earlier date.
4. Archaeology To modify (a flaked stone tool) by secondary flaking along the cutting edge.
v.intr.
To give or make retouches.
n. (rētŭch′, rē-tŭch)
The act, process, or an instance of retouching.
re·toucher n.