Trim toenails straight throughout to your size just in-entrance of the end of the nail sulcus. Never round off the corners as this can result in ingrown toenails. In combination with getting rid of part of the nail, the medical doctor will implement eighty% phenol to chemically ruin the base https://www.theorthopaedicandpainpractice.com/what-is-an-ingrown-toenail/