Stop plucking, waxing, threading, and over-trimming
Avoid harsh makeup removal and rubbing the brow area
Use a gentle cleanser around the eyebrows
Apply a brow serum with peptides or prostaglandin analogs if appropriate
Use castor oil or a bland moisturizer if tolerated
Eat enough protein, iron, zinc, biotin, and essential fatty acids
Address stress and improve sleep
Treat dandruff, eczema, or dermatitis on the brow area
Check for thyroid problems, anemia, or hormone issues
Review medications that may cause hair loss with a doctor
See a dermatologist if hair loss is patchy, sudden, or persistent
Consider prescription treatments if recommended by a doctor
Be patient and allow several weeks to months for regrowth