I cut my self shaving inside lip of the vagina and it burns to pee I used neosporin and vasalene and cotton undies. Nothing working what can I do?

Natural Healing. The good news is that area has fantastic blood supply and so healing will occur rapidly. Inflammation (red, hot, tender swelling) is the body increasing the blood flow to the injury to bring healing factors to the area and also the veins expand to carry bad stuff away. Dressings and ointments are of no value there. Avoid further trauma to the area and let nature take it's course.
Nuskin. Try a nuskin product, one that makes a barrier over the cut. Let it dry. The pain on urination will stop when the cut heals.