The Correction + Blend Method™

by Diana Carlini, Barrington Hair Extensions

Learn the art of seamless correction.

The Correction + Blend Method™ is an advanced education experience created by extension artist and viral educator Diana Carlini (@badextensions). Designed for stylists who already install extensions but want to master the art of correction, color mapping and invisible blending, this training will teach you how to turn even the most challenging installs into flawless, natural results.

This is not another beginner class.
It’s a high-impact, behind-the-chair education experience for artists ready to elevate their work to luxury level — the same techniques that built Barrington Hair Extensions into a destination for high-end correction clients from across the US.

What You’ll Learn

  • How to diagnose and correct poor extension installs

  • Advanced color mapping to erase weight lines and create seamless transitions

  • Precision blending and shaping for natural movement

  • Extension re-installation and density balancing techniques

  • Consultation, pricing, and communication strategies for “rescue” clients

  • Content creation techniques that attract high-value clientele

Training Options

  • The Correction + Blend Method™ Online Course
    90-minute masterclass with lifetime access — perfect for stylists worldwide.

  • In-Person Masterclass (Deer Park, IL)
    One-day intensive with live model demonstration, blending lab, and Q&A with Diana.

  • Advanced 2-Day Certification (Limited Enrollment)
    Hands-on correction, color, and blend training with certificate of completion.

  • On-Site Salon Education (Travel Option)
    Bring The Correction + Blend Method™ to your salon. Custom in-person training experiences available for salon teams nationwide.

Whether you’re refining your craft, rebranding your business, or ready to be known as the stylist who fixes bad extensions, this education will completely change the way you see, approach, and execute your work.