The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club

Natural Cosmetic Formulation Club

Ignite your passion, innovate, create.

Level up your learning - together, at the Natural Cosmetic Formulation Club.

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

Natural Cosmetic Formulation Club

Ignite your passion, innovate, create.

Level up your learning - together, at the Natural Cosmetic Formulation Club.

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

What is the Natural Cosmetic Formulation Club?

The Club is a membership portal packed with learning resources, from courses and classes, to templates and charts, experiments and reports, formulations, guides, video tutorials and more. 

The Club is dedicated to expanding your knowledge, skill and confidence of natural & organic cosmetic formulation with topics that excite you, products you’d love to make, ingredients you really want to explore and innovative ideas you won’t find anywhere else.

Every month in the Natural Cosmetic Formulation Club, you’ll unlock new and exciting learning materials, courses or classes about a wide range of topics that excite and interest you the most…

…soap, mineral makeup, shower gels and bubble baths, face masks, AHAs and BHAs, and many more exciting natural products.

The Club is a place for us to bring you new, exciting, innovative classes and courses across the whole natural cosmetic spectrum…

We’re constantly researching, developing and creating new materials for you inside the Club and we’ll be releasing new material on a regular basis… so the learning continues.

And as a Club Member you can tell us what you’d like to learn about so we can bring it to you inside the Club.

You can have access to all of this, by being a member of the Club! 😀

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Join the Natural Cosmetic Formulation Club today!

Doors close on 30th November 2021.

Is the Club for me?

Natural skincare formulators

Aspiring or established beauty brand founders

Students and graduates of our courses

The club is a place for green beauty enthusiasts who want to enhance and diversify their skills and grow as a formulator. If you’re looking for a start-to-finish course to learn the fundamentals of formulating we recommend checking out our Diploma in Natural Skincare Formulation to get started.

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

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Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

Want to Improve your Skincare Formulation Skills? Join the Club

The Natural Cosmetic Formulation Club is for you if:

There’s just so much to learn. But where to start?

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

An ever-growing library of exciting resources created by professional cosmetic scientists that just doesn’t exist anywhere else.

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

A special gift  just for you, if you join the Club today!

Body Shimmer Oil Formulation

Add some shimmer and sparkle to your skin this summer with our Geranium and Moringa Body Shimmer Oil Formulation!

Composed of a carefully selected blend of lightweight plant oils this shimmer body oil is a great addition to any summer skincare routine. The oil softens the skin and locks in moisture whilst the dusting of golden-bronze particles reflects light, giving skin a radiant summer glow.

You’ll learn how to vary the intensity of the shimmer effect to create a luster, shimmer, sparkle or glitter-effect. Follow our formula or adjust it to create your own!

Natural Cosmetic Formulation Club

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club

Join the Natural Cosmetic Formulation Club today!

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Doors close on 30th November 2021.

Natural Cosmetic Formulation Club

How does the Natural Cosmetic Formulation Club work?

The Natural Cosmetic Formulation Club is a global network of like-minded natural and organic cosmetic formulators, a space where you can enhance and diversify your skills and knowledge. 

If you need a refresher of basic formulation knowledge you can start with Formulating 101 our welcome packet, so to speak, which contains handy reference guides on formulating essentials.

From there, you can launch into an exciting journey, expanding your knowledge, enhancing your formulating skills, and choosing your own learning path. 

What’s it going to be? Soap making or make-up? AHAs & BHAs or deodorants? A pH masterclass or discovering which natural preservatives are most effective?  

The choice is yours!

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

Progressive, Customizable Learning Pathways

When you join the Club, you’ll receive credits that you can use to enroll in our exclusive, Club-only courses, mini courses, or access exclusive Lab resources.

Top up your credits any which way you like. You’re in control of your own learning. The Club is a customized playground for product creators and cosmetic formulators.

Choose a bite-sized class here and there for a sample of all kinds of different skills, or dig down deep into one curriculum pathway—the choice is yours! Some of our topics (like Formulating Mineral Makeup) even offer an accredited certificate upon completion.

Click on the images below to learn more.

Natural Cosmetic Formulation Club

Business Classes

For budding and more established beauty brands we are creating a range of helpful classes  just for you! 

These classes will answer some of your burning questions, like how on earth to price your products so you make a profit?! You can also learn how to take amazing photos of your products for your website and social media.

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

See What Our Students Think...

Natural Cosmetic Formulation Club

Inside the Data-Driven, Science-Based Formulation Lab

From our lab to yours—our team of professional cosmetic scientists and formulators have spent thousands of dollars and hundreds of hours refining and testing formulations, so you don’t have to!

Our Formulation Lab combines the vast experience of our formulators and the thousands of dollars we have spent on professional lab tests (such as preservative efficacy testing) all for the same low monthly price!

The lab is packed with:

Click on the images below to learn more.

Community and Support

In addition to the Natural Cosmetic Formulation Club portal where you can access all the classes and resources, all members also receive access to exclusive communities and support. Join the growing, global community of formulators who are as passionate about natural skincare and cosmetics as you are. 

Join the Club online community (hosted as a private Facebook group) for peer-to-peer support and encouragement 24/7. 

We offer live, monthly, online Formulator Forums, where Club members can meet and discuss via Zoom. Share tips, ask questions, compare notes, and network! 

Get support from professional Cosmetic Scientists via our monthly Tutor Q&As, where our scientists will pick from your questions, and share advice and answers.

Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club
Natural Cosmetic Formulation Club

Extra Credit? Yes Please!

No need to stay after class and beg for extra credit. If you want more, you got it!

Every six months, we reward students with extra credits which can be used anywhere. There are add-on options available for when you want to take more classes. And, they’ll roll over, month-to-month, so if you don’t use them, you won’t lose them. Pretty good deal.

Natural Cosmetic Formulation Club

Join the Natural Cosmetic Formulation Club today!

Doors close on 30th November 2021.

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club

Your Club, Your Way

Alice

is a graduate of our Certificate in Making Natural Skincare Products. She wants to keep learning at her own pace, and focus on the things that are important to her. Alice is currently using her monthly credits to learn to make mineral makeup products. Then, she’ll take the Children’s Haircare class to make a gentle shampoo for her daughter.

Noor

has recently completed our Diploma in Natural Skincare Formulation, and he wants to keep the ball rolling. Noor uses his monthly credits to expand the types of skincare products he formulates, and has recently taken the Cold Process Soapmaking course and classes on formulating hand wash and foaming cleansers.

Trix

is a small business owner who currently has a half-dozen natural skincare products developed. They want to expand their product range and learn about new ingredients. Trix uses their monthly credits on ready-to-use formulas from the formulation lab and short classes such as formulating with AHAs, advanced deodorants, shaving products and more. They are excited to take some business classes too such as product photography and pricing.

The best thing about the Natural Cosmetic Formulation Club is that it can be whatever works best for you. Custom-craft your own experience, focusing on what’s important for you!

The possibilities really are endless.

Wherever you’re at, whatever your goals are, the Natural Cosmetic Formulation Club can help you get there.

But Don’t Just Take Our Word For It…

Here’s what some of our members have said about working with us:

Natural Cosmetic Formulation Club

Join the Natural Cosmetic Formulation Club today!

Doors close on 30th November 2021.

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club

The Details

The Natural Cosmetic Formulation Club’s enrollment window is open!

Monthly member price

US$ 57 /month
  • (+ Sales Tax*)
  • For this, you’ll get 50 credits each month to spend however you choose.
  • What are you waiting for?

Annual member price

US$ 570 /year**
  • (+ Sales Tax*)
  • For this, you’ll get 600 credits to spend however you choose.
  • What are you waiting for?

*Sales tax currently only applies in the UK (VAT) and Australia (GST)
** Annual, recurring fee that will automatically renew after a year. You can cancel at any point before this date if you don’t wish to renew.

For your membership fee you’ll receive: 

  • Credits to spend on classes and courses of your choice.
  • Resources such Formulating 101, guides and recipe books.
  • Membership of our exclusive online Club community.
  • Invitations to join our monthly live Formulators’ Forums.
  • FAQs answered each month via our Tutor Q&A.
  • Plus you have the option to purchase additional credits as your journey develops!

We accept all major debit and credit cards.

By joining the course you accept our terms and conditions found here.

About the School of Natural Skincare International

The School of Natural Skincare International is a multi-award-winning online natural cosmetic formulation school. Our accredited, multimedia online courses cover every aspect of skincare and haircare formulation and are studied from home, wherever our students are in the world, via our online classroom, and with tutor and community support every step of the way.

Founded in 2010 by Directors Gail and Gareth Després, to date the School has trained over 12,000 students in 130 countries to make their own natural and organic skincare and haircare products and launch successful businesses. 

The School’s team of expert tutors include cosmetic scientists, cosmetic formulators, aromatherapists, beauty business experts and safety assessors, and all are passionate about helping you create beautiful natural cosmetics and thriving businesses.

Natural Cosmetic Formulation Club

The School’s fabulous formulations and fun, creative classes have been featured by the BBC and glossy magazines like Green Parent, Spirit & Destiny, and Country Homes and Interiors Magazine.

Frequently Asked Questions

If you’re looking for a start-to-finish course which provides a thorough grounding in skincare or haircare formulation, a course—such as our Diploma in Natural Haircare Formulation or our Diploma in Natural Skincare Formulation —is best.

If you have some experience, and want to diversify your knowledge, take bite-sized classes in a variety of topics, then the Club is a great choice!

While some of the Club classes can be taken as a complete beginner—for example, Formulating Mineral Make-up and Cold Process Soap Making—not all classes are suitable for beginners. If you want to get started, learn the basics of making a wide range of products with our Certificate in Making Natural Skincare Products, and then come check out the Club!

Absolutely! The Natural Cosmetic Formulation Club is open to everyone, whether you have studied with us before or not.

We will only open the Club to new members a few times a year. So you’re not left waiting, join the Club now before the joining window closes!

You can remain a member for as long as you like. You can cancel your membership at any time.

For your monthly membership fee you’ll receive:

  • 50 credits each month to spend on any classes, courses, formulations, experiments or resources of interest to you.
  • Additional complimentary resources such as Formulating 101, guides, recipe books and bonus formulations.
  • Membership of our exclusive online Club community.
  • Invitations to join our monthly live Formulators’ Forums.
  • FAQs answered each month via our Tutor Q&A.

Each month, you’ll receive 50 credits to spend however you choose! Each resource in the Club is worth between 20–100 credits so you can pick and choose what you’d like to study. Unused credits roll over to the next month, and you can even top-up with additional credits if you wish. As a thank-you for being a member, we’ll also add an additional 50 credits to your account every 6 months!

On average each class in the Club is 50 credits. Shorter resources such as formulations, charts and lab skills resources are on average 25 credits. For our multi-module courses (which usually consist of 5 modules) most modules are 50 credits (for some courses the first module is 100 credits as it is a longer, detailed theory module).

We are continually adding new classes and resources to the Club! For an up to date list please see this article:

We’ll be adding new content to the Club regularly! If you have suggestions for what you’d like us to add next please let us know!

The classes take a variety of forms including step-by-step video demonstrations and beautiful guides and ebooks. The PDFs can be downloaded to your own device.

We hope you’ll love the Club! If you join and then change your mind you have 14 days from the date you join to request a refund, but only if you haven’t accessed any of the products during this time (for example classes, courses, formulations etc). After you have accessed digital products you are not eligible for a refund. Please refer to the full terms and conditions for more information.

Natural Cosmetic Formulation Club

Join the Natural Cosmetic Formulation Club today!

The doors are closed right now, but join the waiting list to find out when you can next join the Club.

Natural Cosmetic Formulation Club

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In this beautiful class, we provide you with the information and formulations to give yourself a thoroughly relaxing and rejuvenating home foot spa!

You will learn about the skin on our feet, the problems it is prone to and how to formulate products to help combat these. There are also 4 wonderful formulations that will have your feet feeling fresh and baby soft in no time!

As more men are embarking on their bearded journey, there is a growing demand for natural facial hair products. Launch a new line of beard and moustache products or make products for friends and family! This class will guide you through formulations for the most popular men’s facial hair products, all using natural and organic ingredients, including:

  • Moustache styling wax.
  • Beard oil.
  • Beard balm.
  • Shaving bar.
  • Shaving foam.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

There are special considerations when formulating haircare products for children. They need to be very gentle, non-irritating, non-drying and use non-sensitizing essential oils and preservatives. An ideal child-friendly product also needs to be pleasant (and maybe even fun!) to use.

The class provides a range of formulations for simple, child-safe haircare products including: 

  • Baby-friendly tear-free shampoo, 2-in-1 shampoo and body wash, plus a super fun playdough shampoo a fun, moldable shampoo and body wash!
  • For kids with longer hair, we have created formulations for yummy smelling detangling spray and a light conditioner.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

There is enormous demand for CBD cosmetics and the CBD beauty market is predicted to be worth US$959 million by 2024. In this must-read guide you’ll learn:

  • The differences between hemp and CBD.
  • The benefits of formulating with CBD and hemp.
  • How to formulate with CBD and hemp.

Plus you’ll receive a variety of example formulations including Soothing Facial Oil with CBD, CBD Blemish Cream and Hemp Relief Lotion.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

This guide will help you move beyond baking soda deodorant and create more professional and effective deodorants.

  • Learn about advanced active ingredients in deodorants and how to formulate with them.
  • Formulate a range of deodorant types including deodorant sticks, balms, roll-ons and sprays.

Plus, receive a variety of ready-to-use formulas including Herbal Fresh Spray Deodorant, Floral Roll-on Deodorant and Sweet Orange Stick Deodorant.

Two beginners recipes are also included for students new to making deodorants Gentle Baking Soda Deodorant and Baking Soda-free Deodorant.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

AHAs and BHAs are a must-have in your skincare routine. In our detailed guide you’ll learn:

  • The benefits of formulating with AHAs and BHAs including their exfoliating, humectant, anti-aging and anti-acne functions. 
  • How to formulate safely and effectively with lactic acid, glycolic acid, malic acid, salicylic acid, Fruit Acid Complex and willow bark extract. 

Plus you’ll learn how to make five of our formulations including a Cherry Radiance Mask, Superfruit Toner for Blemished Skin, Peppermint Foot Cream, Regenerating Night Cream and Manuka and Green Tea Toner with Salicylic Acid.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

The demand for vegan cosmetics is huge! The global vegan cosmetics market is set to reach $21.4 billion by 2027. Our guide will explain:

  • What vegan cosmetics are.
  • How to make cosmetics that are both natural and vegan.
  • Which ingredients to avoid (and what to use instead).

It also includes our ready-to-use formulas for a range of vegan skincare products including Vegan Lipstick, Vegan Vanilla Lip Balm, Coconut and Banana Face Mask and Pink Latte Bath Soak.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

You’ll love this complete guide to making your own beautiful, natural bath products! It includes:

  • Information on eight essential oils to create relaxing, harmonizing and uplifting bath blends: bergamot, geranium, lavender, mandarin, frankincense, eucalyptus, benzoin and ylang ylang.
  • Health and safety information and essential oil contraindications.

Plus 25 wonderful recipes for bath melts, bath bombs, bath creamers and truffles, fizzing fairy dust, and aromatic and foaming bath soaks, including some that are more advanced recipes featuring natural emulsifiers and surfactants.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

In this class you’ll learn how to create a range of fun hair products to add some shine, color and fragrance to your hair perfect for a night out or for added shimmer and sparkle during the holiday season!

We’ve also included some natural styling products and an intensive conditioner perfect for repairing and pampering after a busy holiday season or for when your hair needs some extra TLC.

This class includes formulation guidelines and examples for:

  • Hair perfume. 
  • Hair styling spray. 
  • Glitter spray. 
  • Hair shine mist. 
  • Glitter gel. 
  • Color gel. 
  • Hair mousse. 
  • Shine and repair intensive conditioning treatment.

Receive a beautiful ebook to download and watch our demonstration video to see step by step how to make one of the featured products.

Discover a range of exotic Amazonian oils and butters to enhance your skincare products! 

These beautiful oils and butters have benefits including:

  • Helping to maintain skin elasticity and integrity.
  • Restoring the lipid layer of the skin.
  • Preventing transepidermal water loss.
  • Protecting skin cells against photo-oxidative damage.

You’ll also receive three formulations featuring Amazonian oils and butters including: 

  • Murumuru Peppermint Lip Balm.
  • Buriti Rose Body Butter.
  • Passionfruit Orange Body Oil.

Our Advanced Certificate in High-Performance Serum Formulation will teach you how to create a range of super active, facial and body serums filled with powerful and trending ingredients. This course will guide you through the next steps of your formulating journey, elevating your formulating skills and your products’ potential. You will learn how to expertly incorporate AHAs, BHAs, ceramides, peptides, vitamins, potent botanical extracts and much more into oil-based, emulsion and biphasic serums which can be designed to target specific skin types or skin concerns to optimise your products’ performance.

This dual-phase makeup remover is designed to remove oily impurities from the skin’s surface, solubilizing even the most difficult to remove products including waterproof mascara, foundation and sunscreen, making them easy to wipe away – no scrubbing needed! This gentle cleanser is surfactant-free and ideal for the delicate eye and lip areas, making it an ideal first step in a double-cleanse system. Using biphasic product technology, this product incorporates all the benefits of a two-phase emulsion without the risk of instability or the need for emulsifiers.

This beautiful body soufflé is perfect if you like the smoothing, softening effects of body creams or butters, but prefer a lighter, more easily absorbed product. The almost mousse-like texture gives a luxurious feel and we have chosen lavender and lemongrass essential oils, giving a feeling of relaxation and calm, making this an ideal addition to your evening skincare routine. Of course, you can select the essential oils of your choice, adapting the soufflé to any time of day and indeed, your own preferences!

Pillow mists are aromatic sprays which, when spritzed onto your pillow, create a calming, relaxing ritual preparing your body and mind for a good night’s sleep. Pillow mists incorporate the therapeutic benefits and aromatic experience of essential oils into your daily sleep routine to promote relaxation. This example formulation combines the soothing and calming properties of lavender and chamomile with the balancing and grounding benefits associated with vetiver, cedarwood and geranium to create a tranquil atmosphere for optimum relaxation. You can also create your own unique, signature fragrance blend using essential oils of your choice!

Tinted moisturizers are a multifunctional product falling between the skincare and cosmetic categories, since they offer both skincare benefits (moisturization/hydration) and cosmetic benefits (sheer coverage for radiance and improved complexion). They are also a fantastic, light alternative to traditional liquid foundations. Some people find that heavy foundations lead to breakouts and unhappy skin, but like to have some light coverage to smooth the skin’s appearance. This is where tinted moisturizer comes in! Here, we will provide you with a wonderful formula for tinted moisturizer, in a range of five shades to suit a variety of skin tones. We will also explain how to increase the skin benefits of your formulation, if you are looking to boost the activity of your product.

This beautifully gentle micellar cleansing water is suitable for all skin types and is a great alternative to makeup wipes, being both kind to the skin and more environmentally friendly, as it can be applied with a reusable cosmetic pad. As it is a leave-on cleanser (requiring no rinsing off), it is a perfect product for keeping in your gym bag, travelling and using on the go – ideal for summer days on the beach or if your skin needs refreshing when it’s warm!

Do anhydrous products that might come into contact with water during use need a preservative? How do you even include a preservative in an oil-based formula? We contaminated five cleansing balm samples with water and sent them for preservative efficacy testing to get a definitive answer. Read our report to discover our findings!

Do anhydrous body scrubs that might come into contact with water during use need a preservative? We contaminated three body scrub samples with water and sent them for preservative efficacy testing to get a definitive answer. Read our report to discover our findings – they are different from our cleansing balm experiment and might surprise you!

Measuring and adjusting pH is an important skill to gain. In this masterclass you’ll learn why, when and how to measure pH, how to work with and look after a pH meter, how to create pH adjustment solutions, and how to calculate the amount of solid/pure pH adjuster. We also answer frequently asked questions about adjusting pH. 

Hydrosols can introduce contaminants to a formula and can challenge the performance of a preservation system. To test this, we submitted two hydrating mist formulas for challenge testing that were identical in every respect except that one contained a hydrosol and one did not. Read our report to discover our findings!

We tested how well three naturally derived solubilizers worked to solubilize 1% of orange essential oil and 1% of sweet almond oil in water. We also tested if salt, white vinegar and ethanol can be used as solubilizers. This report shares our findings and shows you how to find the optimal ratio of solubilizer to essential oil for your own formulations.

This formula shows you how to use a surfactant in an emulsion-style cleansing lotion to add some extra cleansing and mild foaming properties. Follow our formula and then adjust it to make your own customized cleansing lotion.

Hyaluronic acid has become a ‘hero’ ingredient in recent years – and for good reason! The hydrating properties of hyaluronic acid means that it smoothes and softens the skin, and can give skin a plumper look, improving the appearance of wrinkles. 

Hyaluronic acid can be a bit tricky to work with; this class will show you how to most easily incorporate hyaluronic acid into your formulations.

In this class, you’ll learn:

  • What is hyaluronic acid?
  • The benefits of hyaluronic acid 
  • Which formula types to use it in 
  • Different types (molecular weights) of hyaluronic acid 
  • Formulating with hyaluronic acid
  • Usage rates and which phase to add it in
  • Practical tips for adding hyaluronic acid to your formulations

It is essential to have good quality weighing scales and to know how to use them properly! 

In this class, you’ll learn:

  • How laboratory scales work
  • Which brands we recommend 
  • How to choose the capacity and resolution of your scales
  • How to weigh small amounts of liquid (including some useful tips and tricks from our Cosmetic Scientists!)
  • How to weigh small amounts of solid ingredients
  • Weighing larger amounts

An overhead stirrer is a common type of mixer that can be found in a professional lab. They are useful because they allow for ‘hands-free’ mixing. For example, an overhead stirrer is useful for products made with self-emulsifying emulsifiers such as Sucragel as you have to very slowly add carrier oils to Sucragel under constant stirring for an extended period of time (around 40 minutes). They can be used for dissolving powders into liquids and for cooling emulsions.

In this class, you’ll learn:

  • How to use an overhead stirrer
  • Which formulation types they are suitable for
  • Which stages of the formulation process to use an overhead stirrer

Hot plates with magnetic stirrers are used to simultaneously heat and stir liquids. They are really useful pieces of equipment for your home lab. They can be used for preparing the water and oil phases of an emulsion. They can also speed up reactions or improve mixtures, for example they are helpful for premixing xanthan gum with glycerin prior to adding it to the water phase of a lotion or cream. 

In this class, you’ll learn:

  • How to use a magnetic stirrer 
  • How to use a stir bar
  • Which formulation types they are suitable for
  • Which stages of the formulation process to use a magnetic stirrer

Save $100 and get these 4 bonus classes FREE on our Certificate in Making Natural Skincare Products!

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