
Lash Technician Course
This Lash Technician Course takes you from anatomy basics to advanced volume sets, giving you the technical skills and business knowledge to launch a professional lash career. You'll master classic and volume application, client consultation, safe removal, and specialty styles — all built on industry-standard safety and sanitation protocols.
What you will learn:
You'll learn how to perform classic, volume, mega volume, and hybrid lash sets using correct isolation, mapping, and bonding techniques. The course covers adhesive chemistry, tool selection, and ergonomic workspace setup so you can work safely and efficiently. You'll conduct thorough client consultations, identify contraindications, and customise styles for different eye shapes. Lash infill appointments, safe removal, and long-term lash health monitoring are fully covered. You'll also build skills in retail sales, aftercare education, social media marketing, and business pricing so you can grow a profitable lash clientele from day one.
How you study in practice Lash Technician Course
How you practise Lash Technician Course
For companies looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the specific needs of your company.
Course content
8 Chapters • 35 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Lash Technology
Foundations of Lash Technology
Lesson 1 • Sanitation and Infection Control
Teaches sterilisation, disinfection, and single-use protocols for tools and workstations. Directly prevents cross-contamination and protects both client and technician.
Lesson 2 • Industry Standards and Regulations
Introduces professional licensing requirements, health codes, and cosmetic safety regulations. Ensures students understand the compliance framework before touching a client.
Lesson 3 • Eye and Lash Anatomy
Covers orbital structure, eyelid layers, and natural lash growth cycle. Provides the anatomical baseline needed to make safe product and technique decisions.
Lesson 4 • Professional Ethics and Client Rights
Defines informed consent, confidentiality, and ethical conduct standards. Builds the professional mindset that underpins every client interaction throughout the course.
Chapter 2HideHide detailsSee detailsTools, Products, and Workspace Setup
Tools, Products, and Workspace Setup
Lesson 1 • Adhesives and Bonding Chemistry
Explains cyanoacrylate chemistry, cure time, and humidity sensitivity. Students learn to choose and store adhesives correctly to ensure bond strength and safety.
Lesson 2 • Ergonomic Workspace Configuration
Covers bed height, lighting, magnification, and technician posture. An ergonomic setup reduces injury risk and sustains precision across long service sessions.
Lesson 3 • Lash Extension Types and Materials
Compares synthetic, silk, and mink-style fibres by curl, thickness, and length. Gives students the product knowledge to match extensions to client needs.
Lesson 4 • Tools and Their Correct Use
Introduces tweezers, micro-brushes, jade stones, and tape types with correct grip and handling. Proper tool use prevents damage to natural lashes and improves precision.
Chapter 3HideHide detailsSee detailsClient Consultation and Assessment
Client Consultation and Assessment
Lesson 1 • Eye Shape and Facial Analysis
Analyses eye shapes, lid types, and facial proportions to guide extension mapping. Connects anatomical assessment directly to style and length recommendations.
Lesson 2 • Contraindications and Referral Protocol
Identifies conditions requiring service refusal or medical referral, including infections and severe allergies. Protects clients and limits technician liability.
Lesson 3 • Intake Forms and Health Screening
Teaches design and use of health history forms to screen for allergies and contraindications. Accurate intake data protects clients and creates a legal record of consent.
Lesson 4 • Style Selection and Client Communication
Guides students through translating client lifestyle and preferences into a lash map. Effective communication prevents mismatched expectations and repeat corrections.
Chapter 4HideHide detailsSee detailsClassic Lash Application Techniques
Classic Lash Application Techniques
Lesson 1 • Adhesive Application and Bonding
Covers correct adhesive dot size, dipping angle, and placement on the natural lash. Consistent bonding technique directly determines set longevity and client safety.
Lesson 2 • Classic Set Troubleshooting
Diagnoses and corrects stickies, poor retention, and uneven placement during and after application. Builds the self-correction skills needed for consistent professional results.
Lesson 3 • Full Classic Set Execution
Integrates isolation, mapping, and bonding into a timed full-set application on a mannequin and live model. Students meet retention, symmetry, and timing benchmarks.
Lesson 4 • Lash Mapping and Design Planning
Teaches creating a lash map on eye pads before application to guide length and curl placement. A precise map ensures symmetry and reduces mid-service corrections.
Lesson 5 • Isolation Technique
Develops the skill of isolating a single natural lash with a non-dominant hand tweezer. Proper isolation is the single most critical factor in retention and lash health.
Chapter 5HideHide detailsSee detailsVolume and Mega Volume Techniques
Volume and Mega Volume Techniques
Lesson 1 • Volume Lash Fundamentals
Explains the weight-per-natural-lash rule and how volume differs structurally from classic. Establishes the safety logic that governs all fan construction decisions.
Lesson 2 • Pre-Made and Promade Fan Application
Covers selection, adhesive loading, and placement of pre-made fans for speed-focused services. Students learn when pre-mades are appropriate and how to maintain quality.
Lesson 3 • Handmade Fan Construction
Teaches pinching, rolling, and bouquet methods for creating 2D–6D fans from a strip. Handmade fans allow customisation of width and density not possible with pre-mades.
Lesson 4 • Volume Set Quality Assessment
Evaluates completed volume sets against retention, uniformity, and weight compliance standards. Develops the critical eye needed for consistent professional-grade output.
Lesson 5 • Mega Volume Application
Applies 8D–16D ultra-fine fans using advanced isolation and precise adhesive control. Requires mastery of all prior fan skills and strict weight compliance.
Chapter 6HideHide detailsSee detailsLash Fills, Removal, and Maintenance
Lash Fills, Removal, and Maintenance
Lesson 1 • Fill Appointment Assessment
Teaches evaluating grown-out sets for retention percentage, lash health, and style consistency. Accurate assessment determines fill strategy and time allocation.
Lesson 2 • Safe Extension Removal
Demonstrates gel and cream remover application, dwell time, and gentle sliding technique. Incorrect removal is the leading cause of natural lash damage and must be mastered.
Lesson 3 • Fill Execution Techniques
Covers removal of grown-out extensions, isolation of new growth, and seamless style blending. Efficient fill technique maintains set appearance between full appointments.
Lesson 4 • Lash Health Monitoring Over Time
Tracks natural lash condition across multiple appointments to detect overextension or damage. Proactive monitoring prevents long-term client lash loss and builds trust.
Chapter 7HideHide detailsSee detailsSpecialty Styles and Advanced Mapping
Specialty Styles and Advanced Mapping
Lesson 1 • Lash Lift and Tint Integration
Covers lash lift rod selection, solution timing, and tint application as complementary services. Broadens the technician's offering for clients who prefer a natural enhancement.
Lesson 2 • Hybrid Set Construction
Combines classic and volume fans in a single set to create textured, natural-looking results. Students learn placement ratios and blending strategies for seamless hybrid sets.
Lesson 3 • Corrective Mapping for Challenging Eye Shapes
Applies advanced mapping to correct hooded, deep-set, close-set, and downturned eyes. Corrective mapping is the highest-level design skill and synthesises all prior mapping knowledge.
Lesson 4 • Wet Look and Spiky Styles
Teaches closed-fan and spiked-tip techniques that create editorial wet and spiky aesthetics. Expands the technician's portfolio into high-demand fashion-forward looks.
Lesson 5 • Coloured and Specialty Fibre Extensions
Introduces coloured, glitter, and flat lash fibres with placement and blending techniques. Adds creative service options that differentiate the technician in a competitive market.
Chapter 8HideHide detailsSee detailsRetail, Aftercare, and Client Retention
Retail, Aftercare, and Client Retention
Lesson 1 • Lash Cleanser and Retail Products
Identifies oil-free cleansers, lash serums, and brushes suitable for retail sale. Retail revenue supplements service income and reinforces client lash health between visits.
Lesson 2 • Rebooking and Appointment Scheduling
Covers fill interval recommendations, rebooking scripts, and scheduling system use. Consistent rebooking is the primary driver of stable service revenue.
Lesson 3 • Building Long-Term Client Relationships
Develops loyalty programmes, follow-up communication, and personalised service records. Long-term relationships reduce client acquisition costs and generate referrals.
Lesson 4 • Aftercare Education for Clients
Teaches technicians to deliver clear aftercare instructions covering cleansing, moisture, and activity restrictions. Educated clients retain extensions longer and return more consistently.
Your valid completion certificate
This course is for you:
Aspiring lash technicians: ready to build a career in the beauty industry from scratch.
Cosmetology graduates: looking to add a specialized, high-demand service to their offerings.
Estheticians: wanting to expand their treatment menu with professional lash services.
Stay-at-home parents: seeking a flexible, skill-based career they can build independently.
Salon assistants: aiming to move into a higher-earning, client-facing technical role.
Beauty enthusiasts: passionate about lashes and ready to turn that interest into income.
What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

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