There are small particles on the bridge of the nose and around the nose. I don't know what they

This looks like fat granules. If this kind of fat granules is used, you can use the oily capsules of vitamin E to get the oil out and apply it. It can promote the discharge of fat granules. If it really doesn't work, the position is relatively shallow. You can pick it out with a disinfectant needle tip, that is, the capsules are broken and coated.