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MBK Acne Detective ECourse™ (for Estheticians)

Become an MBK Acne Detective in your spa business?

Do you struggle with helping your clients manage their acne?

In my practice, I don’t believe in chasing skincare symptoms and giving my patients a homecare and a treatment plan, which will only act as a band-aid and just temporarily address their symptoms. I get to the root cause of the problem so that I can educate my client on how we as a team are going to resolve their skin condition and achieve lasting, meaningful results that will last a lifetime.

Everybody has C. acnes bacteria—which is commonly blamed for causing acne. The skin biome is the ECOSYSTEM of microorganisms that live on the skin, your skin is colonized by millions and millions of bacteria, viruses, and fungi, and just like the microbes in your gut have a more significant impact on overall health, microbes on your skin, which is your largest organ, impact the way it looks and feels and its ability to serve as a barrier between your body and the outside world.

Cutibacterium acnes (formerly Propionibacterium acnes) and its relative Propionibacterium granulosum are essential members of a healthy skin microbiome. These bacteria produce a secretion that has antimicrobial properties and helps maintain an acidic skin pH (5.5). The acidic pH, just like the skin of the scalp, helps defend the skin against pathogens.

A cookie-cutter one size fits all skin regimen is not ideal! Acne is a disease with a broad spectrum of severity and that the skin microbiome is reflective of this significant variation. Acne is the result of a disrupted balance in the microbiota that contributes to disease severity, rather than attributing the condition to one harmful microorganism that has a pretty important role in keeping skin healthy.

Upon completion of MBK Acne Detective ECourse™ you will be able to:

  • Gain a full and thorough understanding of what retention hyperkeratosis is
  • Learn about various skincare regimes and how skincare and treatments can affect acne
  • Understand the various medications commonly used to treat acne
  • Learn how diet and lifestyle can affect acne and other skin health issues
  • Gain a full and thorough understanding of the many types of acne and what typically causes acne

Once you understand what acne is you'll be taught other factors that will influence the treatment schedule most suitable to your client's acne condition.

This ecourse is currently an intensive brand-neutral acne theory education, self-directed course, so there are no quizzes or games to test your knowledge. You'll also learn the startling effects the seasons, sunlight, geography, lifestyle and diet have on acne; how stress and hormones can aggravate acne; what can be done about removing the physical scars acne causes and also how to deal with the psychological scars.

If you LOVE listening to podcasts. Have a listen with Pure Skin OC's podcast called Pure Skin Talk. Deyvn and I talk about the beauty industry, acne tips and my acne course.


Course Access - This course is delivered through a system that you will have access to 24 hours a day, 7 days a week for 365 days (12 months). As this is an online self-directed course, you have no set timetable and can study at your own pace. Move through the modules as fast or slow as you wish, and return to previous sections at any point. Once completed you will be granted a certificate.

There is also a private Facebook Group for Esthetician students to network, support, share knowledge and ideas.


This course is not for people who are:

  • If you want to learn about Acne fast and you don't want to take the time to understand and process how it works, how to apply it and how to treat, then this is maybe not the course for you.
  • Don't want to put in the time and effort to learn and master your craft
  • Not willing to do the work to build real authentic relationships
  • If you need to think about it too much, can't see the value of what I'm offering or are wondering if I'll do a discount for you, then this is maybe not the course for you.


"I have spent a small fortune on classes that were not teaching me anything new, it surely gets frustrating. This course is a go-at-your-own pace and it was perfect! The information is clearly written and a wealth of knowledge. It is not focused on a product line, as most are. If you apply the information to your practice then you will not fail to help any of your acne clients. Acne is not a one size fits all type of disorder, the information provided gives you the pieces of the puzzle you are trying to solve. I promise, if you put the time in to really absorb the course you will help your acne clients. It is far more detailed about the causes of acne and how to clear it than any other course I have taken. If you have been looking for an acne course that you can take from your couch then this is for you. I am extremely grateful to Katie for creating this course! Worth every single cent! "

- Kerri Brooks Pender, Esthetician/Owner, About Face Tampa

"I'm so glad that I took the MBK Acne Detective Course! Earlier this year, I took another acne course and while it was okay, I was still left wondering how to translate and apply what I had learned to the products that I use in clinic.

I love that the MBK Acne Detective Course is not product dependent but also that it gave me WAY MORE information (and in more detail) then the previous course did when it comes to treating acne. Everything is broken down in digestible sizes and it's easy to understand. I feel confident in being able to better assess my clients skin and recommend the appropriate products to help their skin heal and their confidence grow."

- Naomi Mundy, Certified Esthetician/Skin Coach, Naomi Mundy Beauty

"I strongly urge you to take the MBK Acne Detective Ecourse. Katie is one of the most knowledgable estheticians around. Her course will be worth every penny. Not only will you quickly make your money back, but it will give you a sound foundation which will give you the confidence you need to deal with clients."

- Marlene Wolfberg, Licensed Esthetician and Acne Specialist

"I have to say Katie, your course is fabulous. By far the best one I've taken. Since I've taken several I was somewhat hesitant purchasing it because I figured what more could be in it that wasn't in others, but then I reminded myself "THIS IS Katie we are talking about, of course I'm taking this course". And I'm so glad I did. Thank you for reinvigorating my passion for treating acne."

- Veronica Korologos, Licensed Esthetician, Essential Skin Care and Acne Treatment

Your Instructor


Katie Marshall
Katie Marshall

Katie is a Certified Medical Esthetics Practitioner and Holistic Nutritionist in New Westminster, BC Canada. She owns an award winning medspa Medical Esthetics by Katie - Skin Transformation Clinic for over a decade. Katie has been an educator, mentor and coach for over five years to spa, health and wellness professionals.


Course Curriculum


  Introduction
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  Skin Physiology Refresher
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  Module 2 : What is Acne?
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  Module 5 : 7 Key areas in the treatment of acne
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  Module 6 : MBK Acne Detective Resources: Acne Imposters
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  Module 7 : MBK Acne Detective Resources: Acne Varients
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  The Best Ingredients for Acne - Currently revamping!
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Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Thank you for your purchase

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