Nurse was notified that patient had previously used a crayon to self-harm with. Nurse noted there were two superficial wounds on forearm. The area was cleaned and examined. Nurse reported the area was scabbed over and seemed to be clear of any infection. Resident reported when asked that they had done this on impulse. Patient is on self-harm precautions. Therapist to consult with resident to see what the duration of precautions will be and also if any other precautions are needed.