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Doctor-written guides, explainer videos, and plain-English answers to the questions patients ask us most. Start anywhere below.
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Latest Articles
Science-backed guides on hair health, treatments, and prevention.
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.
Understanding the Hair Growth Cycle: A Complete Guide
Learn about the three phases of hair growth and how disruptions can lead to hair loss. Understanding your hair cycle is the first step to effective treatment.
Top 10 Scientifically Proven Ingredients for Hair Growth
From biotin to minoxidil, discover the ingredients backed by clinical research that actually promote hair growth and prevent loss.
The Stress-Hair Loss Connection: What You Need to Know
Chronic stress can trigger telogen effluvium and exacerbate pattern hair loss. Learn how to manage stress for healthier hair.
The Complete Nutrition Guide for Optimal Hair Health
Your diet plays a crucial role in hair health. Discover the vitamins, minerals, and nutrients essential for thick, strong hair.
DHT and Male Pattern Baldness: Breaking Down the Science
Dihydrotestosterone (DHT) is the primary hormone behind male pattern baldness. Learn how DHT blockers work and treatment options.
Video Library
From Dr. Leonard
Short, clear explanations of the hair health topics patients ask about most.
Understanding Hair Growth Cycles
Dr. Leonard · 8:24
Top 5 Causes of Hair Loss
Dr. Leonard · 12:15
How DHT Blockers Work
Dr. Leonard · 6:45
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