Purodem® Diploma Programme
Diploma in Natural Skincare Formulation
Learn to formulate safe, effective natural skincare products with confidence through structured, professional training.
Learn Natural Skincare Formulation Online
Are you ready to develop the skills and confidence to formulate natural skincare professionally?
The Diploma in Natural Skincare Formulation (NSF) is a structured, beginner-friendly training programme designed to take you from foundational principles to fully developed formulations. You won’t just follow recipes — you’ll understand how and why products work.
Covering the four core product systems used in commercial skincare ranges — creams, balms, gels, and surfactant-based cleansers — this diploma builds a clear and practical foundation in formulation methodology, ingredient selection, safety, stability, and regulatory awareness.
Whether your goal is to formulate for personal use or to build a commercial skincare brand, you will gain the technical knowledge and hands-on skills required to move forward with clarity, control, and confidence.
You will learn how to:
- Formulate stable emulsions, balms, gels, and liquid cleansers
- Understand pH, skin acidity, and core formulation science
- Select appropriate natural ingredients for different skin types
- Work safely with plant oils, butters, clays, hydrolats, and essential oils
- Prevent common stability and preservation issues
- Navigate the legal foundations of selling skincare products
- Apply for professional product liability insurance upon successful completion
This diploma establishes a strong professional foundation in natural skincare formulation — combining practical formulation skill with essential safety, compliance, and commercial awareness.
Immediate start • Self-paced learning • Two years to complete.
Not ready to enrol yet? Feel free to ask a question about the course before deciding.
Create and Launch Your Own Natural Skincare Range
The Diploma in Natural Skincare Formulation is designed to take you from idea to creation — with the skills, structure, and confidence to formulate professionally.
Throughout the course, you will develop your own range of natural skincare products, applying each module directly to real formulations. From creams and balms to gels and cleansers, you’ll gain hands-on experience creating products using plant oils, butters, clays, hydrolats, and essential oils.
Through guided tutorials, structured formulation exercises, and practical demonstrations, you’ll build the confidence to design products that are safe, stable, and commercially viable. As part of your final assessment, you will develop and present your own skincare range — transforming your knowledge into tangible, professional work.
This diploma provides the technical foundation and practical clarity needed to begin building a natural skincare brand with confidence and direction.
Who This Diploma Is For
This Diploma is designed for beginners who want to learn natural skincare formulation properly — from the ground up, with clarity and structure.
It is particularly suited to:
- Individuals wanting to create high-quality products for personal use
- Aspiring entrepreneurs developing a natural skincare brand
- Therapists planning to introduce their own professional product line
- Learners ready to move beyond short workshops into structured, in-depth training
No prior formulation or scientific background is required. The course is delivered in clear, manageable stages, progressively building your knowledge and practical skills across the four core product systems.
Working with Essential Oils in Natural Skincare
Essential oils play a central role in many natural skincare formulations. In this Diploma, you’ll learn how to incorporate them safely, appropriately, and with clear formulation intent across creams, balms, gels, and cleansers.
Rather than using essential oils as simple fragrance additions, you’ll understand how to select them with purpose — based on skin type, product function, and aromatic profile — while working confidently within safe dermal limits.
You will learn:
- Core principles of essential oil selection for skincare
- Safe dilution guidelines and dermal safety considerations
- How aromatic profiles influence product identity and positioning
- How to blend essential oils appropriately within natural formulations
This ensures your products are not only beautifully scented, but carefully formulated with safety, intention, and professional responsibility.
Safe and Responsible Use
Drawing on our experience in professional essential oil practice, we guide you through appropriate use, key contraindications, and safe formulation principles — helping you avoid common mistakes and formulate with confidence and responsibility.
Course Tutor & Programme Lead
The Diploma in Natural Skincare Formulation is led by Deana, founder of Purodem and an experienced educator in natural formulation and essential oil practice.
Drawing on her background in professional aromatherapy and structured formulation training, Deana developed the NSF Diploma to give beginners a clear and practical foundation in safe, responsible formulation. Her approach balances creative product design with strong attention to safety, compliance, and technical understanding.
Throughout the programme, students are supported with clear tutorials, practical demonstrations, and personalised feedback — ensuring that creativity is guided by sound formulation principles rather than guesswork.
The Diploma reflects Purodem’s wider commitment to professional standards, progressive learning, and responsible natural skincare formulation.
Diploma Structure: 8 Guided Modules
The Diploma in Natural Skincare Formulation is delivered across eight structured modules, carefully designed to build your skills step by step.
You’ll begin with the foundations of skin science and ingredient knowledge, before progressing into practical formulation across the four core product systems: creams, gels, balms, and surfactant-based cleansers.
Each module combines clear theory with hands-on formulation tasks, allowing you to apply what you learn immediately. As you progress, you’ll begin developing your own cohesive skincare range — building confidence, technical understanding, and real formulation capability along the way.
By the final module, you won’t just understand how products are formulated — you will have created, documented, and refined your own range, supported by sound safety and regulatory knowledge.
Module 1: Skin Science & Key Ingredients
Build the essential knowledge needed to formulate safely and confidently by understanding how the skin functions and how natural ingredients interact within a formulation.
View Module Topics
- Structure and function of the skin
- A brief history of skincare from traditional to modern practice
- What defines a “natural” cosmetic ingredient
- Natural vs synthetic ingredients: facts and misconceptions
- Introduction to plant oils, butters, and water-based ingredients
- Emulsifiers and gums used in natural formulations
- Preservation basics in water-containing products
- Understanding the difference between a recipe and a formulation
Module 2: Essential Oils in Natural Skincare
Learn how to incorporate essential oils safely and appropriately within natural skincare formulations, understanding their role in both product identity and skin compatibility.
View Module Topics
- Introduction to commonly used essential oils in skincare
- How essential oils are produced and categorised
- Basic skin-related properties and selection principles
- Safe dilution guidelines and dermal considerations
- Essential oils to approach with caution or avoid in skincare
- Working with carrier oils and complementary plant ingredients
- Creating balanced aromatic blends for finished products
Module 3: Workspace Setup & Good Manufacturing Practice
Establish a safe, organised, and compliant working environment by understanding the core principles of Good Manufacturing Practice in small-scale skincare production.
View Module Topics
- What Good Manufacturing Practice (GMP) means in natural skincare
- Setting up an efficient and hygienic formulation workspace
- Working safely within shared or home environments
- Essential equipment and correct storage procedures
- Record-keeping and formulation documentation
- Using a formulation diary to track development
- Understanding the purpose of a Product Information File (PIF)
- Writing a basic GMP statement for your portfolio
Module 4: Cosmetic Cream Emulsions
Learn how to formulate stable cream emulsions — one of the core foundations of any natural skincare range.
In this module, you will understand how oil and water phases combine, how emulsifiers function, and how to create creams suited to different skin types and product goals.
View Module Topics
- Introduction to emulsions and how they work
- The structure and function of oil-in-water creams
- Understanding emulsifiers and stabilising ingredients
- Adapting a base formulation for different skin types
- Selecting appropriate plant oils and complementary ingredients
- Step-by-step guidance in creating a simple cream formulation
- Troubleshooting common instability issues
- Designing and producing a finished cream for your portfolio
Module 5: Gel-Based Formulations
Explore how to formulate lightweight gel-based skincare products suitable for a variety of skin types and product purposes.
In this module, you will learn how gelling agents function, how to build stable water-based systems, and how to adapt gel formulations for hydration, soothing, or targeted product concepts.
View Module Topics
- Introduction to gel-based skincare products
- How gelling agents work in natural formulations
- Understanding texture, viscosity, and product feel
- Creating simple water-based gel formulations
- Adapting gels for different skin types and uses
- Incorporating essential oils safely into gel systems
- Avoiding common formulation and preservation errors
- Designing and producing a gel product for your portfolio
Module 6: Anhydrous Formulations – Balms & Butters
Discover how to create water-free skincare products such as balms, salves, and body butters using plant oils, butters, and waxes.
In this module, you will learn how to structure anhydrous formulations, balance texture and stability, and design products suited to different skin needs and seasonal variations.
View Module Topics
- Introduction to anhydrous skincare and when to use it
- Understanding the role of plant oils, butters, and waxes
- Creating balanced oil-based formulations
- Controlling texture, hardness, and melting point
- Incorporating essential oils safely into oil-based systems
- Designing multipurpose balms and treatment products
- Avoiding common formulation and storage issues
- Producing a finished anhydrous product for your portfolio
Module 7: Surfactant-Based Formulations
Learn how to formulate gentle cleansing products using cosmetic surfactants suitable for natural skincare ranges.
In this module, you will understand how cleansing systems work, how to select appropriate surfactants for skin compatibility, and how to create balanced liquid formulations for everyday use.
View Module Topics
- Introduction to surfactants and how cleansing systems function
- Understanding mildness and skin compatibility
- Selecting appropriate surfactants for natural skincare
- Creating simple liquid cleanser formulations
- Adjusting viscosity and product texture
- Incorporating essential oils safely into wash-off products
- Avoiding common formulation and preservation mistakes
- Designing and producing a cleanser for your portfolio
Module 8: Range Development & Regulatory Foundations
Bring your learning together by developing a cohesive skincare range and understanding the core legal responsibilities involved in selling cosmetic products.
In this final module, you will refine your product concepts, consider packaging and presentation, and gain a clear overview of the essential compliance steps required for small-scale commercial production.
View Module Topics
- Identifying your target customer and defining your brand direction
- Planning a balanced and cohesive product range
- Packaging considerations and basic labelling requirements
- Understanding responsible marketing claims
- Introduction to cosmetic safety assessments and toxicology
- Basic stability considerations and product testing principles
- Understanding the purpose of product liability insurance
- Overview of UK and EU cosmetic regulation fundamentals
Build Your Portfolio as You Progress
Throughout the Diploma, you won’t just study formulation — you will create and document your own work.
As you move through the eight modules, you will:
- Complete practical formulation tasks across all four core product systems
- Develop a cohesive skincare range aligned to your goals
- Document your formulations and production processes
- Build core GMP and compliance awareness
- Submit practical assessments for tutor feedback
- Compile a structured portfolio demonstrating your learning
- By the end of the course, you will have more than knowledge — you will have a documented body of work that reflects your ability to formulate safely and responsibly.
This portfolio provides a strong starting point for launching your own skincare range or continuing your professional development in natural formulation.
Learning Outcomes
By the end of the Diploma in Natural Skincare Formulation, you will be able to:
- Formulate stable creams, balms, gels, and surfactant-based cleansers from first principles
- Select appropriate plant-based ingredients for different skin types and product purposes
- Apply safe dilution, preservation, and basic stability principles within natural formulations
- Work within core Good Manufacturing Practice (GMP) principles for small-scale production
- Understand the fundamental legal and regulatory considerations for selling cosmetic products
- Design and document your own cohesive natural skincare range
- Compile a structured portfolio demonstrating your formulation capability
- Progress confidently into further professional training in cosmetic formulation
Course Fees & Enrolment Options
Enrolment is open year-round, and you may begin your studies immediately. Upon joining, you will receive full access to the learning platform and have up to two years to complete the Diploma at your own pace.
Course Fee: £895
Flexible payment options are available at checkout. All major credit and debit cards are accepted, together with Apple Pay and Google Pay.
Buy now, pay later options — including Klarna, & Clearpay — may also be available depending on your location.
The course fee includes full access to all eight modules, tutor support, portfolio assessment, and certification upon successful completion.
Immediate start • Self-paced learning • Two years to complete.
Not ready to enrol yet? Feel free to ask a question about the course before deciding.
Frequently Asked Questions
Do I need prior experience in skincare formulation?
No. The Diploma is designed for beginners and assumes no previous formulation or scientific background. The course builds your skills step by step, starting with foundational knowledge before progressing into practical product creation.
Can I start my own skincare brand after completing the Diploma?
This Diploma provides a structured foundation in natural skincare formulation, including portfolio development and regulatory awareness. Many students use this training as the starting point for developing their own small-scale skincare range.
As with any cosmetic business, additional steps such as safety assessments and regulatory compliance are required before selling products commercially.
Is this Diploma recognised for professional insurance?
Upon successful completion, graduates are eligible to apply for professional product liability insurance. We recommend confirming requirements directly with your chosen insurer.
Can I enrol at any time?
Yes. Enrolment is open year-round, and you can begin your studies immediately after joining.
You will receive access to the learning platform and induction materials upon enrolment. Once your induction forms are returned, an individual tutorial session will be arranged to support your start.
How long do I have to complete the course?
You will have up to two years of access from the date of enrolment, allowing you to study at your own pace.
What kind of products will I learn to formulate?
The Diploma focuses on four core product systems used in natural skincare ranges:
- Cream emulsions
- Gel-based formulations
- Anhydrous balms and butters
- Surfactant-based cleansers
You will develop practical experience across each of these systems.
What support will I receive during the course?
You will receive structured learning materials, guided tutorials, and personalised tutor feedback on your assessments and portfolio work. An individual induction tutorial is also arranged at the beginning of your studies.
Is this course suitable if I want advanced cosmetic chemistry training?
This Diploma provides a professional foundation in natural skincare formulation. It focuses on core formulation principles, safe ingredient use, and structured product development.
Advanced formulation science and higher-level cosmetic chemistry are explored in more advanced programmes.
Is the course delivered entirely online?
Yes. The Diploma is delivered fully online through the Purodem learning platform, allowing you to study from anywhere with internet access.
Ready to Begin?
If you’re ready to build a strong foundation in natural skincare formulation, you can enrol at any time and begin immediately.
The Diploma in Natural Skincare Formulation offers a clear and structured starting point for those ready to create natural skincare products with confidence — whether for personal development or future commercial ambitions.
With guided modules, ongoing tutor support, and two years of access, you can progress at your own pace while developing practical formulation skills and building a documented portfolio of your work.
Immediate access. Self-paced study. Two years to complete.
Have a question about the NSF Diploma?
If you’re unsure whether the course is the right fit for you, you’re welcome to ask a question before enrolling.
You can also choose to receive occasional updates from Purodem about new CPD courses, formulation articles, and enrolment announcements.