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Access the Essential Nail Professional Diploma in the NailEra app, where you’ll find structured lessons, expert-verified knowledge, and your certified diploma pathway in one place.

Get the diploma – £39.99

Pay once. Yours for good. Includes free access to the NailKnowledge app.

Take a Look Inside

See how you’ll learn.

Watch a short preview of the Diploma and discover the lesson experience, interactive knowledge checks and expert guidance waiting inside the NailKnowledge app.

▶ Professionally produced lessons

Clear, engaging and easy to follow.

✓ Interactive knowledge checks

Reinforce your understanding as you learn.

🎓 Expert-led learning

Evidence-based education you can trust.

Masterclass One

The Nail Unit

Build a solid understanding of the natural nail, its structure, growth and the essential anatomy every nail professional should know.

1. Introduction to the Nail Unit

3 Minutes
Start your learning journey with an overview of the Nail Unit and the key topics explored throughout Masterclass One.

1.1 Anatomy of the Nail Unit

1 Lesson | 1 Knowledge Check
10 Minutes
Learn the anatomical terms, structures and relationships that form the Nail Unit, creating the foundation for everything you’ll learn throughout the Diploma.

1.2 Nail Plate Growth

1 Lesson | 1 Knowledge Check
14 Minutes
Discover how skin cells produce the nail plate, the role of keratinisation, and the biological processes that drive healthy nail growth.

1.3 The Nail Plate Structure

1 Lesson | 1 Knowledge Check
14 Minutes
Explore the internal structure of the nail plate and discover how it responds to chemicals, products and physical damage.

1.4 The Nail Bed and Lunula

1 Lesson | 1 Knowledge Check
14 Minutes
Explore the structure and function of the nail bed and lunula, and their role in producing and supporting the natural nail.

1.5 Nail Seals

1 Lesson | 1 Knowledge Check
14 Minutes
Learn how the proximal nail fold, hyponychium and lateral nail folds protect the natural nail from infection and damage.

1.6 Nail Conditions

1 Lesson | 1 Knowledge Check
14 Minutes
Healthy hands and feet are the only ones you should work on. In this lesson, we examine some of the common conditions you might discover during your career, and what to do.

Masterclass Two

Product Chemistry

Discover how professional nail products work, the science behind them and why understanding chemistry leads to safer, better results.

2. Introduction to Product Chemistry  

2 Minutes
Start your learning journey with an overview of Product Chemistry and the essential concepts explored throughout Masterclass Two.

2.1 What is a Chemical

1 Lesson | 1 Knowledge Check
21 Minutes
Build a solid foundation in chemistry by exploring the essential concepts you’ll use throughout this Masterclass.

2.2 Lotions, Potions and Polishes

1 Lesson | 1 Knowledge Check
33 Minutes
Explore the professional products used in nail services and discover how their ingredients and purpose influence performance and results.

2.3 Acrylics and their Place in the Industry

1 Lesson | 1 Knowledge Check
18 Minutes
Learn how acrylic products cure through polymerisation and why this process is fundamental to professional nail services.

2.4 Liquid and Powder

1 Lesson | 1 Knowledge Check
33 Minutes
Understand the chemistry behind liquid and powder systems, and discover how they create strong, durable enhancements through controlled polymerisation.

2.5 UV Gels and Other Systems

1 Lesson | 1 Knowledge Check
44 Minutes
Explore UV gel systems, fibreglass and dip systems, and discover how their chemistry and curing processes differ in professional nail services.

Masterclass Three

Health and Safety

Learn the professional practices that protect you and your clients, from hygiene and product safety to allergies and risk management.

3. Introduction to Health & Safety

2 Minutes
Start your learning journey with an overview of Health & Safety and the key topics explored throughout Masterclass Three.

3.1 Your Working Environment

1 Lesson | 1 Knowledge Check
24 Minutes
Explore the risks within your working environment, from physical hazards to allergens, irritants, vapours and dust, and learn how to create a safer workplace.

3.2 Hygiene

1 Lesson | 1 Knowledge Check
22 Minutes
Understand when to clean, disinfect or sterilise equipment to maintain the highest standards of hygiene for you and your clients.

3.3 The Safe Use of Products

1 Lesson | 1 Knowledge Check
24 Minutes
Learn how to handle professional nail products and chemicals safely, reducing risks to yourself, your clients and your working environment.

3.4 Allergies and Irritations

1 Lesson | 1 Knowledge Check
25 Minutes
Understand why allergies and irritations are increasing in nail services, and learn the best ways to reduce the risk for both you and your clients.

3.5 Working with Clients

1 Lesson | 1 Knowledge Check
29 Minutes
Learn how to work safely and professionally with clients, from consultation and preparation to creating the ideal foundation for every nail service.

THE DIPLOMA EXAM

Diploma Exam

Certificate awarded on successful completion

Access the Essential Nail Professional Diploma in the NailEra app, where you’ll find structured lessons, expert-verified knowledge, and your certified diploma pathway in one place.

Get the diploma – £39.99

Pay once. Yours for good. Includes free access to the NailKnowledge app.

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