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Lash Technician Course
More than 2 million students worldwide

Lash Technician Course

Become a certified Eyelash Rehabilitation Technician and master the skills to restore damaged, overtreated, and weakened lashes. This course covers everything from lash anatomy and safe extension removal to advanced conditioning protocols and complex case management. Build a specialised service that clients actively seek out and keep coming back for.

Dedika for businesses

What you'll learn:

You will learn how to assess lash health, identify damage causes, and design individualised multi-session rehabilitation programmes. The course covers professional removal techniques, keratin and peptide conditioning treatments, lash lift integration, and home-care prescription. You will also gain knowledge in hygiene standards, product chemistry, and client consultation. Advanced modules address post-chemotherapy recovery, alopecia-related lash loss, and hypersensitive clients. Business operations, pricing strategies, and client retention techniques are included to help you build a profitable, sustainable practice.

How you study in practice Lash Technician Course

How you practise Lash Technician Course

For businesses looking to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 35 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Eyelash Anatomy and Health

  • Lesson 1 • Recognising Healthy vs. Damaged Lashes

    Trains visual and tactile assessment of lash integrity, density, and curl. Establishes the diagnostic skill set used throughout the course.

  • Lesson 2 • The Eyelash Growth Cycle

    Explains anagen, catagen, and telogen phases specific to lashes. Understanding cycle timing guides realistic client outcome expectations.

  • Lesson 3 • Common Causes of Lash Damage

    Identifies mechanical, chemical, and environmental damage sources. Connects damage etiology to targeted rehabilitation planning.

  • Lesson 4 • Eyelash Structure and Composition

    Covers the cellular architecture of the lash follicle, shaft, and root. Provides the anatomical baseline needed for all subsequent damage assessment.

Chapter 2See details

Hygiene, Safety, and Client Consultation

  • Lesson 1 • Contraindications and Risk Assessment

    Identifies medical, allergic, and skin conditions that contraindicate treatment. Teaches risk stratification to protect client safety.

  • Lesson 2 • Patch Testing and Allergy Protocols

    Details adhesive and product patch test procedures and interpretation. Prevents adverse reactions before full treatment application.

  • Lesson 3 • Sanitation and Sterilisation Standards

    Covers disinfection levels, tool sterilisation methods, and surface hygiene. Directly prevents cross-contamination during all rehabilitation procedures.

  • Lesson 4 • Regulatory Compliance Essentials

    Introduces licensing requirements, scope of practice, and health and safety regulations applicable to lash technicians. Ensures legally compliant practice.

  • Lesson 5 • Structured Client Consultation Process

    Teaches intake forms, informed consent, and goal-setting conversations. Connects thorough consultation to accurate treatment planning.

Chapter 3See details

Tools, Equipment, and Product Knowledge

  • Lesson 1 • Essential Rehabilitation Tools

    Introduces tweezers, micro-brushes, lash combs, and magnification equipment. Proper tool selection directly affects treatment precision and client comfort.

  • Lesson 2 • Adhesives and Bonding Agents

    Examines cyanoacrylate variants, sensitive adhesives, and bonding primers. Correct adhesive choice prevents further follicle stress during rehabilitation.

  • Lesson 3 • Product Label Reading and Safety Data

    Teaches interpretation of ingredient lists, safety data sheets, and expiration indicators. Ensures informed, safe product use in every session.

  • Lesson 4 • Conditioning and Treatment Products

    Covers serums, peptide treatments, keratin boosters, and oils used in rehabilitation. Ingredient knowledge enables evidence-based product selection.

Chapter 4See details

Safe Removal of Lash Extensions

  • Lesson 1 • Classic Extension Removal Technique

    Step-by-step removal of single-strand extensions using precise product placement. Establishes foundational manual dexterity for all removal work.

  • Lesson 2 • Volume and Hybrid Extension Removal

    Addresses fan-based and mixed-style extensions requiring modified remover saturation. Builds on classic removal skills for complex lash sets.

  • Lesson 3 • Post-Removal Lash Assessment

    Guides immediate evaluation of lash density, breakage, and follicle condition after removal. Assessment findings directly inform the rehabilitation treatment plan.

  • Lesson 4 • Removal Product Chemistry

    Explains how gel, cream, and oil-based removers dissolve adhesive bonds. Chemical understanding prevents overexposure and corneal irritation.

Chapter 5See details

Core Lash Conditioning Treatments

  • Lesson 1 • Peptide and Serum Application

    Applies growth-stimulating peptide serums to the lash line and follicle zone. Targets follicle-level recovery to support regrowth after damage.

  • Lesson 2 • Treatment Layering and Sequencing

    Teaches the correct order of cleanse, treatment, and seal steps for combined protocols. Prevents product interaction issues and maximises cumulative results.

  • Lesson 3 • Nourishing Oil Treatments

    Demonstrates application of castor, argan, and vitamin E oils for shaft hydration. Complements keratin and peptide treatments with lipid replenishment.

  • Lesson 4 • Keratin Lash Infusion Protocol

    Covers step-by-step keratin treatment application, processing, and sealing. Restores disulfide bonds in chemically damaged lash shafts.

  • Lesson 5 • Deep Cleansing and Preparation

    Teaches oil-free cleansing, residue removal, and lash priming before conditioning. Proper prep maximises product absorption and treatment efficacy.

Chapter 6See details

Rehabilitation Treatment Planning

  • Lesson 1 • Multi-Session Programme Design

    Teaches how to sequence treatments across four to twelve weeks for progressive recovery. Connects session spacing to the natural lash growth cycle.

  • Lesson 2 • Home-Care Prescription

    Develops personalised home-care regimens including serums, cleansers, and lifestyle guidance. Home compliance directly amplifies in-salon treatment outcomes.

  • Lesson 3 • Progress Measurement and Reassessment

    Introduces photo comparison, density mapping, and client feedback tools for tracking recovery. Objective measurement supports plan refinement and client motivation.

  • Lesson 4 • Damage Severity Classification

    Establishes a tiered classification system for mild, moderate, and severe lash damage. Classification drives protocol selection and session frequency decisions.

Chapter 7See details

Lash Lift and Rehabilitation Integration

  • Lesson 1 • Tinting Integration with Lift

    Adds oxidative tint application after lift to enhance visual density without extensions. Teaches timing and product compatibility for combined services.

  • Lesson 2 • Shield and Rod Selection

    Covers silicone shield sizes, curl outcomes, and rod placement for varied lash lengths. Correct selection determines lift longevity and natural appearance.

  • Lesson 3 • Lift Application on Rehabilitated Lashes

    Adapts standard lift steps for lashes in recovery, including reduced processing times. Builds on core conditioning knowledge to protect lash integrity.

  • Lesson 4 • Lash Lift Chemistry and Safety

    Explains perming solution chemistry, processing risks, and contraindications for damaged lashes. Safety knowledge prevents overprocessing on already-compromised hair.

Chapter 8See details

Advanced Techniques and Complex Cases

  • Lesson 1 • Lash Loss from Alopecia Conditions

    Covers alopecia areata, totalis, and trichotillomania presentations affecting lash density. Teaches modified protocols and referral pathways for medical collaboration.

  • Lesson 2 • Hypersensitive and Reactive Clients

    Manages clients with multiple allergies, rosacea, or chronic dry eye during rehabilitation. Builds on patch testing and contraindication skills for high-risk presentations.

  • Lesson 3 • Corrective Work After Poor Prior Treatment

    Addresses lash damage caused by untrained technicians, including glue buildup and uneven removal. Teaches systematic correction without compounding existing trauma.

  • Lesson 4 • Combining Rehabilitation with New Extensions

    Guides the transition from full rehabilitation to reintroducing lightweight extensions safely. Establishes readiness criteria to prevent relapse into damage.

  • Lesson 5 • Post-Chemotherapy Lash Recovery

    Adapts rehabilitation protocols for lashes regrowing after chemotherapy-induced loss. Requires heightened sensitivity, gentle products, and medical clearance awareness.

Certification

Your valid completion certificate

This course is for you:

  • Lash technician: wants to move beyond standard sets into specialised recovery work.

  • Beauty school graduate: seeking a focused niche to stand out after qualifying.

  • Owner of a salon: seeking to add a high-value rehabilitation service to their menu.

  • Career changer: entering the beauty industry with a goal of client-centred care.

  • Esthetician: expanding expertise to include dedicated eye-area conditioning treatments.

  • Independent therapist: building a premium solo practise around corrective lash services.

What our students say

Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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