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Hair Health Insights

Expert articles, research breakdowns, and practical guides from our medical team.

Devices

Photobiomodulation: How the MD DUO Reactivates Hair Follicles

Low-level laser therapy — also known as photobiomodulation — is one of the most clinically validated, non-invasive ways to stimulate hair regrowth. Here's how the MD DUO works, and why Dr. Leonard recommends it as part of a complete treatment plan.

9 min readApril 1, 2026