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Classic Eyelash Extensions Course
More than 2 million students worldwide

Classic Eyelash Extensions Course

4.5

Master the classic 1:1 eyelash extension technique from the ground up — covering anatomy, adhesive chemistry, isolation, lash mapping, and full-set application. This course gives you the hands-on knowledge and professional protocols to deliver safe, beautiful results on every client. Whether you are starting your lash career or formalising your skills, this is the complete foundation you need.

Dedika for businesses

What you will learn:

You will learn how the eye and lash growth cycle works, so you can make smart decisions before you ever pick up a tweezer. You will master adhesive chemistry, bead control, and environmental management to build bonds that actually last. The course walks you through isolation mechanics, lash mapping for every eye shape, and the full classic application workflow. You will also cover safe removal, infill appointments, client consultations, and aftercare education. By the end, you will have the technical skills and professional knowledge to run a confident, compliant lash practice.

How you study in practice Classic Eyelash Extensions Course

How you practise Classic Eyelash Extensions 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.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Lash Extension Practice

  • Lesson 1 • Industry Standards and Scope of Practice

    Defines professional boundaries, licensing requirements, and ethical conduct. Anchors all subsequent technical training within a compliant practice framework.

  • Lesson 2 • Lash Growth Cycle and Shedding

    Explains anagen, catagen, and telogen phases and their impact on retention. Students predict shedding patterns to set accurate client expectations.

  • Lesson 3 • Eye and Lash Anatomy Essentials

    Covers orbital anatomy, follicle structure, and natural lash characteristics. Provides the biological foundation required for safe extension placement.

  • Lesson 4 • Contraindications and Client Screening

    Identifies medical, allergic, and lifestyle contraindications that prevent safe service. Students conduct intake assessments to protect client and technician.

  • Lesson 5 • Sanitation, Hygiene, and Infection Control

    Applies disinfection, sterilization, and single-use protocols to the lash workspace. Meets health authority hygiene standards required for professional operation.

Chapter 2See details

Tools, Materials, and Product Knowledge

  • Lesson 1 • Tweezers, Trays, and Application Tools

    Identifies isolation and application tweezers, lash trays, and ancillary tools. Proper tool selection directly affects isolation precision and application speed.

  • Lesson 2 • Under-Eye Pads and Tape Techniques

    Covers gel pad and tape selection, placement, and removal to protect lower lashes. Correct pad placement prevents sticking and client discomfort throughout service.

  • Lesson 3 • Extension Fiber Types and Specifications

    Compares synthetic, silk, and mink-style fibers by weight, sheen, and taper. Students match fiber type to client lifestyle and natural lash health.

  • Lesson 4 • Adhesive Chemistry and Performance

    Explains cyanoacrylate chemistry, cure mechanisms, and environmental variables. Students troubleshoot adhesive performance before applying it to clients.

  • Lesson 5 • Curl Types, Lengths, and Diameters

    Maps curl designations from J to D and diameter ranges from 0.10 to 0.20 mm. Students apply specification knowledge to design decisions in later chapters.

Chapter 3See details

Adhesive Mastery and Bonding Principles

  • Lesson 1 • Adhesive Troubleshooting and Correction

    Diagnoses poor retention, stickies, and blooming caused by adhesive misuse. Students apply corrective techniques without compromising natural lash health.

  • Lesson 2 • Environmental Control for Adhesive Performance

    Teaches humidity and temperature monitoring and adjustment strategies in the workspace. Students maintain optimal conditions to ensure predictable adhesive behavior.

  • Lesson 3 • Placement Timing and Cure Windows

    Explains open time, placement window, and polymerization stages for common adhesives. Students time placements to maximize bond integrity before full cure.

  • Lesson 4 • Adhesive Preparation and Dispensing

    Covers shaking, nozzle priming, and drop dispensing onto jade stone or ring. Correct preparation prevents inconsistent viscosity and premature curing.

  • Lesson 5 • Dipping Technique and Bead Control

    Trains the precise dip angle and depth to achieve a micro-bead at the extension base. Bead size directly determines bond strength and prevents stickies.

Chapter 4See details

Isolation Technique and Precision Handling

  • Lesson 1 • Single-Lash Isolation Mechanics

    Practices the push-and-hold isolation motion that separates one natural lash cleanly. Consistent isolation is the primary factor preventing stickies and client discomfort.

  • Lesson 2 • Identifying and Selecting Natural Lashes

    Trains the eye to distinguish mature anagen lashes from baby and telogen lashes. Students select only appropriate lashes to protect follicle health and retention.

  • Lesson 3 • Isolation Practice on Training Aids

    Uses mannequin heads and lash strips to build muscle memory before live models. Deliberate practice on training aids accelerates skill transfer to real clients.

  • Lesson 4 • Tweezer Grip and Hand Positioning

    Establishes ergonomic grip, wrist angle, and hand-bracing techniques for sustained precision. Correct posture reduces fatigue and improves isolation accuracy over long sessions.

  • Lesson 5 • Working Across the Lash Line

    Develops a systematic working pattern from inner to outer corner and back. Structured sequencing ensures full coverage and prevents missed or doubled lashes.

Chapter 5See details

Lash Mapping and Eye Shape Design

  • Lesson 1 • Eye Shape Analysis and Classification

    Identifies almond, round, hooded, monolid, downturned, and wide-set eye shapes. Accurate classification is the prerequisite for all design decisions in this chapter.

  • Lesson 2 • Consultation and Design Communication

    Trains students to translate client inspiration images into achievable mapped designs. Clear communication prevents mismatched expectations and builds client trust.

  • Lesson 3 • Classic Style Variations

    Covers natural, cat-eye, doll-eye, and squirrel-eye map configurations. Students select and execute the appropriate style based on eye shape and client preference.

  • Lesson 4 • Curl and Length Strategy by Eye Shape

    Pairs specific curl and length combinations with each eye shape to enhance or correct proportions. Students apply strategic choices to lift, open, or elongate the eye.

  • Lesson 5 • Lash Mapping Fundamentals

    Teaches zone-based mapping on under-eye pads to pre-plan length and curl placement. Mapping before application eliminates guesswork and ensures design consistency.

Chapter 6See details

Classic 1:1 Application Technique

  • Lesson 1 • Post-Application Inspection and Finishing

    Applies a systematic quality check for stickies, gaps, and misaligned extensions. Finishing steps include brushing, fanning, and client aftercare briefing.

  • Lesson 2 • Completing a Full Classic Set

    Guides students through a timed full-set workflow from first lash to final check. Structured pacing builds the speed and consistency required for professional service.

  • Lesson 3 • Client Preparation and Positioning

    Covers bed height, client recline, lighting setup, and pre-cleanse protocol. Proper preparation creates the ergonomic and hygienic conditions for precise application.

  • Lesson 4 • Extension Pickup and Placement

    Trains the pinch-and-slide pickup and the glide-on placement at the natural lash base. Correct placement 0.5–1 mm from the lid ensures safety and bond longevity.

  • Lesson 5 • Angle, Direction, and Curl Alignment

    Ensures each extension follows the natural lash's growth direction and curl orientation. Aligned extensions create a cohesive, natural-looking set and reduce torsional stress.

Chapter 7See details

Safe Removal and Lash Health Protocols

  • Lesson 1 • Recognizing and Responding to Adverse Reactions

    Identifies allergic reactions, chemical burns, and mechanical damage requiring immediate action. Students apply first-response protocols and refer clients to medical care when appropriate.

  • Lesson 2 • Lash Recovery and Conditioning Treatments

    Introduces lash serums, conditioning coats, and rest periods to restore natural lash vitality. Students recommend appropriate recovery protocols based on assessed damage level.

  • Lesson 3 • Full-Set Removal Methods

    Compares gel, cream, and oil-based removers for full-set dissolution and mechanical removal. Students select the safest method based on client sensitivity and extension age.

  • Lesson 4 • Assessing Natural Lash Condition

    Evaluates lash density, length, and curl after removal to detect damage or thinning. Assessment findings guide recommendations for recovery and future service timing.

  • Lesson 5 • Protecting Natural Lashes During Removal

    Applies protective barriers and controlled technique to prevent mechanical trauma during removal. Lash health preservation is the primary measure of removal quality.

Chapter 8See details

Fill Appointments and Retention Management

  • Lesson 1 • Fill Workflow and Time Management

    Structures the fill appointment into assessment, removal, and application phases with time targets. Efficient workflow allows professional fill completion within standard service windows.

  • Lesson 2 • Retention Assessment and Documentation

    Evaluates percentage of remaining extensions and identifies retention failure causes. Systematic documentation supports pattern recognition and service improvement.

  • Lesson 3 • Client Aftercare Education

    Delivers clear aftercare instructions covering cleansing, products to avoid, and sleep habits. Educated clients achieve better retention and require fewer corrective appointments.

  • Lesson 4 • Troubleshooting Poor Retention with Clients

    Guides collaborative problem-solving when clients report premature shedding or damage. Students identify root causes and implement corrective strategies without blame.

  • Lesson 5 • Grown-Out Extension Removal

    Safely removes extensions that have grown too far from the lid using remover or mechanical technique. Proper removal prevents natural lash breakage and prepares a clean base.

Certification

Your valid completion certificate

This course is for you:

  • Estheticians: looking to add a high-demand lash service to their menu.

  • Makeup artists: wanting to expand into longer-lasting beauty enhancement services.

  • Career changers: seeking a flexible, skill-based profession in the beauty industry.

  • Nail technicians: ready to diversify income with a complementary beauty specialty.

  • Stay-at-home parents: building a home-based business around a practical beauty skill.

  • Self-taught lash enthusiasts: needing structured training to work on paying clients safely.

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...
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, simple to use. The diversity of content and complementary videos help a lot with learning.
André Felipe
André FelipePrompt Engineering Student

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