How do I get the sticky buildup off of my hardwood floors?

I used orange glo once or twice and now my floors are so dull. I literally can take my fingernail and sc residue off of them. I have also been guilty of using a dash of pine sol or something in the water to make it smell good. They are sealed. I just want them to look as shiny and pretty as the day I moved in, but nothing seems to work.