Dave stopped in his tracks when he saw Janet sitting at her desk outside his office. She still had her recognizable face and short haircut, but she looked about 20 years younger, and was back to having a curvy body with large breasts and a thin waist -- although now she wore only a miniskirt and high heels, with rings through her brown nipples.
"Is something wrong?" she asked.
Dave shook his head, and continued past, out into the main part of the office. He poked his head inside a couple of female-occupied cubicles to find women who were altered much the same as Janet -- still recognizably themselves, but with bodies made more voluptuous, particularly the breasts, looking to be only in their mid-teenage years, and now attired in only small skirts, high-heeled shoes, and nipple rings.
He left some confused women behind as he walked briskly back to his office. Alexis's altered form was still noticeably sexier than anyone he'd seen, but with what he'd seen, it didn't seem all that abnormal.
That must be it, he realized -- the pen's magic must try to keep things "normal" to a degree, so while it was continually improving Alexis to comply with the "younger and sexier" command, it was changing everything else in order to keep her improvements from seeming too odd.
He walked past Janet, back into his office, where Alexis was still standing. She parted her enlarged lips to ask, "Work emergency, huh? Guess I should go."