A Quick Trick to repair damaged/badly scratched wood...3/4 cup of oil and 1/4 cup vinegar and had some to spare. You don’t need to wipe it off; the wood just soaks it in. Note: You can use cider vinegar and olive oil...really whatever you have on hand. Mix together and dip a rag in it and simply wipe.
How to Seal Wood Scratches With a Walnut: 5 Steps (with Pictures) - I just did this on my floor - we had a massive deep scratch from moving furniture and it was amazing! The scratch disappeared before my eyes! Okay, so obviously it's still there if you look for it but this is still an amazing fix!!
For medium to heavy scratch markks lightly sand the scratches and the area around them, apply gel stain to match. For a few light marks I have read you can rub with walnut (editable part) and oils will mask mark. Nutty solution will probably wear fade as oils are absorbed deeper into the scratched raw wood.