Use the lowest effective testosterone dose
Avoid supraphysiologic testosterone levels
Monitor blood testosterone and estradiol levels regularly
Discuss DHT-related hair loss risk with a clinician before starting treatment
Consider a 5-alpha-reductase inhibitor such as finasteride or dutasteride if appropriate
Use topical minoxidil if suitable
Start hair-loss treatment early at the first signs of thinning
Maintain a healthy diet with adequate protein, iron, zinc, and vitamin D
Manage stress and sleep consistently
Avoid smoking
Minimize harsh hair treatments, tight hairstyles, and excessive heat
Treat scalp conditions such as dandruff or inflammation promptly
Review other medications or supplements that may contribute to hair loss
See a dermatologist or endocrinologist for personalized management