Golden Ratio Hairline Design Whitepaper (2025) – Scientific Guide

This scientific whitepaper, authored by Op. Dr. Ahmet Dilber, explains the mathematical and anatomical foundations of
Golden Ratio Hairline Design. It details how facial thirds, proportional measurements, Phi (1.618), facial mapping, visagism, and
micro-grafting angles come together to create natural, balanced, long-term hairline aesthetics at Hair of Istanbul.

What’s Included in This Whitepaper?

• Phi (φ) and the mathematical foundations of the Golden Ratio
• Da Vinci’s facial thirds and proportional symmetry
• Natural Hairline Geometry and frontal hairline placement
• Facial Mapping and visagism-based personalized design
• Micro-grafting angles and density-planning principles
• HOI’s Golden Ratio Hair Transplant protocol
• Ethical limitations of Golden Ratio aesthetics
• Scientific references and clinical considerations

Download the Full Whitepaper

Download the Free PDF

About the Author

Op. Dr. Ahmet Dilber is a Plastic Surgeon specializing in advanced hairline design, facial proportion analysis,
and high-precision follicular unit extraction. As a member of the Hair of Istanbul Medical Team, he contributes to the clinic’s
scientific, ratio-based design methodology and develops personalized hairline planning protocols for international patients.