Welcome to this episode, friends, colorists, chemists-by-necessity, and all the beauty pros who have ever sat silently in a class thinking… “Wait. That doesn’t sound right.”

Today we’re diving into one of the most emotionally charged, myth-propelled, and wildly misunderstood topics in our industry.

Bleach.
Damage.
Cysteic Acid.
Bond Builders.
And whether or not you can “reactivate” a bowl of dead bleach by throwing more developer at it.

Yeah… we’re going there.

It’s about shining a bright, well-behaved, pH-balanced spotlight on the actual science, separating it from the folklore, and empowering you with explanations you can use behind the chair without needing a chemistry degree… or therapy.

So, press play and 21min later you will have a treasure trove of information that will bring clarity to this subject.

Enjoy the listen ! 

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Hey friends!

Welcome to this episode of Guru In Your Ear, where we take the chaos of the professional beauty world and run it through the filter of real science, real experience, and…well…real common sense.

Today’s episode is inspired by a question that pops up more often than that same mole in Whack-A-Mole!

You know the one that keeps smirking at you? 

Yeah, that one.

The question?

“Is diluting a demi color with CLEAR the same as mixing it with a lighter shade?”

And oh my friends…the opinions…the debates…the emotional attachment people have to their version of truth…Sometimes I wonder if we’re teaching hair color or moderating a Facebook argument at three in the morning.

But here’s the thing:

This confusion isn’t because people are wrong.

It’s because we’re using the same word to describe two totally different scientific processes.

So today, I’m pulling back the curtain! 

Not to embarrass anyone, not to win a debate ,but to help educators, mentors, creators, and future-focused professionals speak the same language and teach with clarity.

Literally…and figuratively.

So press play and invest 20 min of your time . I may give you clairity and change the way you think about hair color and hair color formulation, forever.

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There are moments in every educator’s career when something nudges you.

Quietly at first, then persistently enough that you simply can’t ignore it anymore. For me, this episode was born from one of those moments.

Over the past several years, I’ve watched the world of hair color education shift dramatically. 

Social media has amplified voices! 

Some brilliant, some well-meaning, and some… well, let’s just say they’re confidently repeating urban legends with a ring light and a dream. 

Daily, I see bite-sized “facts” drifting across screens, gaining momentum not because they’re true, but because they’re trendy. 

And with every scroll, I feel the same tug inside:

There is a difference between influence and integrity.

And that difference matters.

I realized that if I stayed silent, I’d be allowing misinformation to slide into the minds of learners. 

Learners who desperately want accuracy, clarity, and truth. Not drama. Not hype. 

Not recycled chemistry mythology.

So, I sat down, turned on the mic, and committed myself to recording a message directly to the educators, the trainers, the influencers, and the content creators who genuinely care about the careers they impact.

Because here’s the part that inspires me:

There are so many incredible educators out there!

People who truly want to be a transformative force for salon professionals walking the pathway of professional hair color.

People who want to teach with intention.

People who want to elevate this craft with honesty and heart.

People who understand that education is not performance , it’s responsibility.

This episode is for you.

As you listen, you’ll hear a story woven with truth, a reminder of why we teach, and a challenge that might feel a little uncomfortable, because growth usually does. 

You’ll hear the call to choose integrity over ignorance, accuracy over assumption, and clarity over convenience. 

Because the learners who trust us deserve nothing less.

My hope is that this message ignites something in you:

A renewed commitment to the science.
A deeper respect for the craft.

And a passion to teach with the kind of authenticity that leaves a lasting imprint, not just on hair colorists, but on the industry itself.

If you’re someone who wants to make a difference…

If you’re someone who values truth over trends…

If you’re someone who wants to become the educator your younger self needed
then this episode was recorded with you in mind.

Press play.

 Lean in.

 Let’s elevate this profession together.

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This week on Guru In Your Ear, we are honored to welcome a true industry icon, Kenny Alan Berk. With more than four decades of experience shaping the art and craft of hairdressing around the world, 

Kenny’s journey spans the legendary halls of Vidal Sassoon to his influential role as a global educator with Redken 5th Avenue. 

He has trained stylists across continents, mentored educators who now teach others, and continues to inspire professionals with his deep belief that haircutting is both a technical language and a creative voice.

Kenny brings a rare blend of humility, mastery, and passion for elevating our profession. His teaching is grounded in clarity, intention, and the belief that true artistry comes from understanding why we do what we do, not just how.

In this conversation, we explore the evolution of the salon craft, the importance of staying curious, and what it means to shape the next generation of stylists with purpose, patience, and heart. 

If you’ve ever needed a reminder of why this work matters, or what keeps a career meaningful after 40 years behind the chair, this episode will light you up.

Get ready to learn. Get ready to be inspired.
And get ready to fall in love with your craft all over again.

Tune in! this is one you’ll remember.

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Hello, my friends and welcome to this episode of Guru in Your Ear! 

I am Dennis Gebhart and will be your host as we explore a very complex subject that has created substantial confusion in our wonderful profession of hair color.

The issue at large has been a major discussion with the advent of fantasy hair color, or rainbow hair art, or whatever label you consider it to be. 

The big hang up is that some salon professionals and even some educators & influencers have adopted and, in some cases are teaching CMYK color theory as a tool in hair color processes. 

The challenge here is the CMYK color theory was designed for the graphic arts profession and has no connection the hair color and how it works. Although they are both “subtractive “color systems, that’s where it stops. 

However, some do not want to accept that rational, so today my hope is to provide you with enough content, scientific fact and examples to put this issue to bed, once and for all. So, settle back, grab your notes and buckle up buttercup. Here we go!

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Hello, my friends! 

Dennis Gebhart here, and welcome to this episode of Guru in Your Ear.

Today, we’re going to take a deep dive into a topic that seems simple, but is often misunderstood, even by experienced professionals:

 What exactly is a permanent hair color molecule?

Now, I know you’ve probably heard a lot of statements like:

“The blue dye molecule is the largest of the three, blue, red, and yellow”

“You must have equal parts of all three primaries to have a balanced color”

“The blue molecule leaves the hair first, then red, then yellow”

And on, and on, and on!

But what if I told you… a permanent color molecule doesn’t even exist, at least, not until it develops inside the hair?

That’s right, it’s not a pre-made pigment, it’s something that forms.
And understanding how and when that happens changes the way we approach color formulation, retouching, and refreshing.

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Hey friends. Welcome to our latest episode of “Guru In Your Ear”

(Both Premium and Standard versions are live.)

This week, we’re tackling a question that’s been stirring up confusion, debate, and way too much misinformation across our industry, and social media. 

It’s time to set the record straight with a little science, logic, and clarity.

The topic?
Mixing different volumes of developer to “create” something in-between.

Can you really mix 30 volume and 10 volume to get 20 volume?

You’d think this one would be simple, but it continues to spark heated discussions and endless opinions, even among those who claim chemistry expertise. 

So, let’s unpack what science actually says and put this myth to rest once and for all.

A key takeaway from this episode:

“Math does not equal chemistry. You can average numbers — but you can’t average chemical reactions.”

 Tune in now and give it a listen. Then let me know what you think in the comments.

I always value your thoughts, feedback, and questions.

They’re what keep these conversations alive and evolving!

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Understanding the Color Wheel:

A Key Tool for Salon Professionals

Do you truly understand the color wheel and how it works? 

While many people claim to be familiar with this essential tool, the confusion I often see on social media tells a different story. 

I frequently encounter salon professionals seeking formulas, sometimes even while their clients are in the chair! 

This often leads to struggles with the level system and panic during hair color corrections.

Whether you’re a new colorist or a seasoned veteran, a solid understanding of the color wheel is crucial. 

Without it, you may face significant challenges in executing a variety of hair color services successfully.

It seems that many of us recognize the color wheel but lack the confidence to utilize it effectively. 

In this short podcast, we’ll delve into the basics of the color wheel. 

While we only scratch the surface, the information shared is packed with vital knowledge that can help you uncover insights you didn’t even know you were missing!

I highly recommend that you invest a few minutes of your time in this broadcast. 

Even if you believe you’ve already mastered this segment of hair color, you might discover new insights that could transform your understanding and approach. 

This could change the way you think about, and even teach, hair color for the rest of your career. Don’t miss out on the opportunity to enhance your skills and knowledge!

Join us as we explore the fascinating world of color theory and empower your hair color skills!

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(Audio Only)

Welcome to another exciting episode of “Guru In Your Ear”! I’m Dennis Gebhart, and today we’re tackling a fascinating question from our network in Abu Dhabi: 

Is “over-keratinized” hair, or “protein overload,” a real issue

Many of us have heard the term “over-keratinized hair,” but often, the information we get is broad and simplistic. 

This can be misleading, especially for salon professionals who rely on solid, scientifically validated facts. 

Unfortunately, marketing narratives often overshadow the science, turning complex topics into catchy slogans. 

So, is over-keratinized hair really possible? 

The short answer is yes! 

Anything is possible in the world of hair care. 

However, is it likely? 

Not really! 

It’s essential to remember that two seemingly contradictory things can coexist, especially in this case.

Now, let’s unpack the facts everyone should know.

So , go ahead and press play ….. 23 minutes later, you will have a treasure trove of knowledge bombs about “proteins”, that help you achieve clarity on this ofeten confusing subject.

Enjoy the listen!

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Can You Transform Permanent Hair Color to Demi-Permanent with an Acid Solution?

Hello, my fabulous friends, and welcome to another exciting episode of 

“Guru in Your Ear!” 

Today, we’re diving into a hot topic that’s been buzzing in the hair color world for over a decade. 

This intriguing phenomenon has captured the attention of many stylists and clients alike, sparking curiosity and discussion. 

This episode is packed with impactful information that will not only enhance your knowledge but also spark conversations in your salon! 

I understand that this topic can be considered a “slippery slope” and may contrast with widely held beliefs in our industry. 

However, it’s time to delve into the scientific validation behind these beliefs. 

I anticipate some pushback regarding the overall message of this broadcast, but it’s essential to challenge the urban legends that many accept as scientific fact.

So, I invite you to press play and discover information that could transform your understanding of hair color forever. 

Join me on the podcast as we dive deep into the world of hair color, uncovering the truths behind the tales. Together, we’ll separate fact from fiction and explore the real science that impacts our hair care choices.

And if you find this episode enlightening, don’t keep it to yourself, share it with your colleagues and spread the knowledge! 

Enjoy the episode!

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