If you can move close or sit next to her, form your hand into a fist form and let her smell your fist. After she had done that without moving away, slowly move your fist along her face, whiskers wise to the ears. If she allows you to do that, then move your fist and pet her head from front to the start of her neck.
Using your fist is not as threatening as using your palm to her. Cats head butt and your fist looks like a head to her.
Always let her smell,your hands and let her make the first move and once she has a scent on your hand, it's easier for you.
Keep repeating till she gets use to it and move on to other parts of her body but just keep watch on her ears and eyes. If you see any change, remove your hands and try again later
Using your fist is not as threatening as using your palm to her. Cats head butt and your fist looks like a head to her.
Always let her smell,your hands and let her make the first move and once she has a scent on your hand, it's easier for you.
Keep repeating till she gets use to it and move on to other parts of her body but just keep watch on her ears and eyes. If you see any change, remove your hands and try again later