Devices
Microneedling for Hair Growth
How microneedling promotes hair growth when combined with treatments.
Your Science-Based Guide to Hair Regrowth
Evidence-based protocols, expert-reviewed content, and interactive tools to help you take control of your hair health journey.
Evidence-Based
Expert-Reviewed
Updated Weekly
How It Works
Three simple steps to your personalized hair regrowth plan
1
Assess Your Situation
Answer questions about your hair loss pattern, medical history, and treatment preferences.
2
Get Your Protocol
Receive personalized treatment recommendations with dosages, timelines, and expected results.
3
Track Progress
Document your journey, monitor improvements, and adjust your protocol as needed.
Explore by Category
Comprehensive guides covering every aspect of hair health
Treatments
FDA-approved and emerging treatments
ExploreTopicals
Minoxidil, serums, and topical solutions
ExploreDevices & Procedures
Laser therapy, PRP, and transplants
ExploreDiagnosis & Labs
Testing, staging, and assessment
ExploreConditions
AGA, alopecia areata, and more
ExploreLifestyle
Diet, stress, and natural approaches
ExploreWomen's Hair Loss
Female pattern and hormonal causes
ExploreScalp Health
Dermatitis, psoriasis, and care
ExploreInteractive Tools
Free tools to help you make informed decisions
Protocol Builder
Build your personalized hair regrowth protocol based on your specific situation.
Start BuildingTransplant Calculator
Estimate graft needs and costs for your hair transplant procedure.
Calculate NowProgress Tracker
Document and track your hair regrowth journey with photos and notes.
Track ProgressWhy Trust RegrowProtocol
Research-Backed
Every recommendation cites peer-reviewed studies from PubMed and clinical trials.
Expert Reviewed
Content reviewed by dermatologists and hair restoration specialists.
Transparent
Clear affiliate disclosures and no hidden commercial interests.
Proven Results
Thousands of users have improved their hair health using our protocols.
Latest Research & Guides
Stay informed with our newest content
Diagnosis
The Norwood Scale Explained
Visual guide to the Norwood-Hamilton scale for male pattern baldness.
Procedures
FUE vs FUT Hair Transplant: Detailed Comparison
In-depth comparison of the two main hair transplant techniques.
Treatments
Oral Minoxidil for Hair Loss
Low-dose oral minoxidil as an alternative to topical application.