For skin pros ready to move from foundational to expert and deliver results few others can.

Advanced Skin Nutrition

An advanced training that bridges skin and systemic health, so you can confidently integrate nutrition, labs, and root-cause protocols into your practice.

Step into the next level of skin expertise.

You’ve nailed the foundations, now it’s time to go deeper.

Advanced Skin Nutrition takes everything you learned about inside-out skin health and elevates it with real-world application, advanced concepts, and next-level client care.

This isn’t about what foods to eat for better skin, it’s about understanding the whole picture: how environment, mindset, stress, toxins, movement, and even medications influence every skin story.

You’ll learn how to:

  • Confidently create deeper, more personalized client plans.
  • Support complex concerns like eczema, rosacea, and psoriasis with a holistic approach.
  • Talk about nutrition and lifestyle with clients in a way that actually lands.
  • Use advanced strategies like biohacking, lymph support, and mindset work to amplify results.
  • And grow your business by being known as the inside-out skin expert.

Because this is where the educated esthetician becomes the go-to authority, the one clients trust when nothing else has worked.

Step into mastery.

Mastery isn’t about learning more, it’s about integration.

It’s taking everything you know about skin and nutrition and turning it into consistent, confident results.

It’s the ability to see the full picture, connect the dots, and guide clients through deeper transformations without second-guessing yourself.

This is where theory becomes practice, confidence becomes instinct, and your work starts to feel effortless, aligned, and undeniably effective.

You've outgrown the basics.

You already know the skin isn’t just about what goes on top.

You’ve had the ah-ha moments and the proof that inside-out truly works.

But now you’re craving more, more nuance, more depth, more confidence in the how.

Advanced Skin Nutrition takes you beyond food lists and quick fixes into the deeper layers of environment, stress, toxins, mindset, and lifestyle, so you can move from solid knowledge to true mastery.

 

Imagine working at a level most pros never reach.

  • You walk into every client session calm, clear, and confident able to see what’s really driving each skin concern.

  • You recognize patterns others miss and know exactly how to create results that last.

Clients can feel the difference. They trust you more, refer faster, and see transformations that go way beyond the surface.

This is the power of advanced knowledge, applied with precision and confidence.

We couldn’t fit it all into 8 weeks… so we made this.

Skin Nutrition Essentials laid the foundation.

Advanced Skin Nutrition takes you deeper into environment, mindset, toxins, stress, and advanced nutrition strategies that elevate your results from great to exceptional.

We’re Katie, Cris, and Paige, co-founders of the Functional Nutrition Skin Institute.

Cris and Katie also host the #1 nutrition podcast, Keep It Clear, sharing the same inside-out approach that’s transforming skin and the professionals who treat it.

If you loved the foundation, this is where everything clicks on a whole new level.

 

Join Us In...

Advanced Skin Nutrition

The next level of skin nutrition education for professionals ready to go beyond the basics and master real transformation.

You’ve built the foundation, now it’s time to elevate your expertise and your results.

EARLY BIRD PRICING THROUGH NOV 14. THEN IT'S $1497.

Pay in Full ($1297)
Installments (2x $699)

Bonus Drop: The Grow + Glow Workshop

Marketing for Skin Pros with Katie Stewart ($495 Value)

Your expertise deserves to be seen.

When you enroll by Friday, November 14, you’ll get free access to the live Grow + Glow Workshop, a live, interactive marketing training designed to help you attract more dream clients and grow your business with ease.

You’ll learn how to:

Stand out online and build trust that turns followers into clients.

Grow your email list so your business isn’t dependent on algorithms.

Confidently show up in your marketing without the cringe.

Led by Katie Stewart, FNSI co-founder and creator of the 7-figure brand Katie Stewart Wellness, this bonus gives you the proven systems she’s used to grow her audience, impact, and income so you can do the same.

Valued at $495, included free when you enroll before Friday, November 14th.

I'm SO in!

Inside the advanced curriculum that takes you from skilled to sought-after.

This isn’t a repeat of what you already know; it’s the evolution of it.

Advanced Skin Nutrition was built for experienced skin professionals ready to go beyond the basics and apply deeper, more nuanced inside-out strategies in their work.

You’ll explore the systems, stressors, and subtle patterns that make the difference between good results and life-changing ones.

Here’s a peek inside what’s waiting for you:

Weeks 1 - 2
Nutrition + Toxins

  • Advanced supplementation, antioxidants, and polyphenols for skin repair.

  • How medications, intolerances, and endocrine disruptors affect the skin.

  • Reducing daily toxin exposure in skincare, cooking, and lifestyle.

Weeks 3 - 4
Mindset & Lifestyle Mastery 

  • The role of mindset, movement, and rest in skin healing.

  • Supporting clients through healing crises with confidence.

  • Stress management and understanding diet types for healthy skin.

Weeks 5 - 6
Skin Conditions & Microbiome II

  • Deeper look at overgrowths, yeast, and microbiome imbalances.

  • Inside-out protocols for eczema, rosacea, and psoriasis.

  • The FNSI Body Map for internal imbalances.

Weeks 7 - 8
Client Conversations

  • Biohacking and lymphatic support for next-level results.

  • Talking about nutrition with clients that are scope-safe and seamless.

  • Using your new expertise to grow and scale your business.

Let's Do This!

Your Path to Advanced Expertise Starts Here.

Here’s everything included inside Advanced Skin Nutrition:

8 Weeks of Advanced Training — $1,800 value
Mentorship from Cris, Katie & Paige — $800 value
Client Resources, Scripts & Tools — $500 value
Early Bird Bonus: Grow + Glow Workshop with Katie Stewart — $495 value

Total Value: $3,595
Your Price: $1,297 (Early Bird until Fri. Nov. 14)

I'm SO In!

Got Questions?

Totally fair. Let's clear them up.

Have more questions? Email [email protected]

Lets Do This!