hi, I know (because of many sites) that in this movie there is a kiss with drugged lipstick.
Name of movie: The ambushers
Year:1967
Director: Henry Levin
Stars: Dean Martin, Senta Berger and Janice Rule
The page on IMDB http://www.imdb.com/title/tt0062657/
I hope you can find the movie :-)
Greetings