Yes, to a degree. You might be more protected if you use several different types of repellents. You’re always free to do this if it makes you feel safer. If you’re using only one, you might want to change its position based on your activity.
If you are a surfer, one band on your ankle will generally be fine. For a scuba diver, it will be best to have one on your wrist, as you can point it towards a shark if one comes near.