Short of marking every component I can't see how this is a deterrent. And I wouldn't like that for my bikes. Otherwise, with most quality bikes worth more as parts just marking them invisibly is pointless and visibly ruins appeal and value at once - a la Polish panto butchery.
In the shed:
Raleigh Team Pro - SB1988
Ribble 531C - "The Real Steel Special" - custom paint and Shimano stuff
GT Hardtail - Y2K frame plus hand-me-down parts
Specialized Transition Expert - modern aero TT rocket