Trim the ragged nail carefully with clean nail clippers
File the edge smooth with a fine-grit nail file
Do not pull, bite, or tear the nail
Wash the area with soap and water
Apply antiseptic if the skin is broken
Cover with a bandage if the nail is catching or painful
Keep nails moisturized with hand cream or cuticle oil
Wear gloves for cleaning, gardening, or wet work
Avoid harsh soaps, acetone, and frequent soaking
Eat a balanced diet with enough protein, iron, zinc, and biotin
Drink enough water
Treat any fungal infection, eczema, or psoriasis if present
See a doctor if there is pain, swelling, redness, pus, or repeated nail damage