ISOLATION PRINCIPLES & BOND PLACEMENT THEORY Isolation is the foundation of professional lash application. If isolation is incorrect, everything else fails. Retention fails.Lash health suffers.Design becomes uneven. Isolation determines whether application is safe or damaging. SECTION 1: WHAT IS ISOLATION? Isolation is the process of separating one natural lash from all surrounding lashes before attaching … Continue reading The Louisville Beauty Academy Professional Eyelash Extension Training Manual – Clinical Safety, Technical Precision, and Practical Application – Chapter 3 – Isolation, Bond Integrity, and Structural Precision in Lash Application