Hello ? Could you please tell me if you have been using saline solutio…

Hello ? Could you please tell me if you have been using saline solution to clean your child's nose? It seemed like it was done without effort and calmly, but at the end when I wanted to remove the residue with a cotton swab from the edge, it wasn't deep. There was a little bit of blood on the swab. Before that, she would pinch her nose as if squeezing it then stopped.