Source comparison
TB-500 Dosage Hair Growth 2026: Protocol Comparison
Seoul National (2023) 2.5mg subcutaneous Twice weekly 5mg 16 weeks 18% increase in anagen follicle density vs baseline Gold standard. Twice-weekly dosing maintains stable Wnt signaling without systemic saturation UPenn Follicle Lab (2021) 2mg subcutaneous Once
This comparison does not assign a generated winner or score.
- Seoul National (2023)
- 2.5mg subcutaneous
- Twice weekly
- 5mg
- 16 weeks
- 18% increase in anagen follicle density vs baseline
- Gold standard. Twice-weekly dosing maintains stable Wnt signaling without systemic saturation
- UPenn Follicle Lab (2021)
- 2mg subcutaneous
- Once weekly
- 2mg
- 12 weeks
- Anagen extension by 12 days (measured via phototrichogram)
- Effective but near-threshold. Response plateaus without dose escalation
- Modified High-Dose (observational)
- 5mg subcutaneous
- 10mg
- No additional follicle density gain vs 5mg/week; increased joint discomfort reports
- Exceeds receptor saturation. Systemic exposure without proportional benefit
- Maintenance Protocol (theoretical)
- Ongoing after initial 16-week induction
- Hypothesised to sustain gains from induction phase
- Not yet validated in published studies. Maintenance dosing remains experimental