How do you heal a picked scab on knee?

To heal a picked scab on your knee, first clean the area gently with mild soap and water to prevent infection. Apply an antibiotic ointment to promote healing and cover it with a sterile bandage. Keep the area moisturized and avoid picking at it again to allow the skin to heal properly. If you notice signs of infection, such as increased redness or pus, consult a healthcare professional.