Scientifically speaking, it has been evident that certain parts of a female body have bundles of nerves that can be stimulated for arousal. These parts essentially include neck, upper back and around the neck areas, inner thighs, and female intimate organ. However, if you wish to arouse a female just by kissing on her lips, the good news is that lips also do comprise of nerve bundles which can stimulated. All you have to do is try kissing passionately and prolong your kiss without cutting physical contact with her, to an extent when she could totally start indulging and enjoying it. Obviously, she must love you or have an interest in you physically to reach such extreme. Good luck!