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Fitness Stuff (for normal people)

Skin & Hair Health: What Actually Works (and What Doesn’t) w/ Carter "Eviba" Gottlieb

Fitness Stuff (for normal people)

Tony and Marianna

Health & Fitness

4.9644 Ratings

🗓️ 1 September 2025

⏱️ 151 minutes

🧾️ Download transcript

Summary

What if everything you thought you knew about skincare, acne, anti-aging, and hair loss was either outdated (or just plain wrong?)

In today’s solo-hosted episode of The Fitness Stuff (for Normal People), Tony sits down with Carter Gottlieb (aka Eviba Carter): cosmetic chemist, MD/PhD candidate, Chief Product Officer at HelloSkin, and one of the most respected voices in the skincare science world.

This is not your typical skincare episode. Carter brings rare depth and clarity to topics normally clouded by hype, influencer noise, and cosmetic marketing.

Together, they explore:

  • The truth about acne: what causes it, why most “quick fixes” make it worse, and what actually works

  • Retinoids vs. Retinol vs. Adapalene: the gold standards for acne and anti-aging

  • The real reason Korean and European sunscreens outperform American ones (and how to get them)

  • Hair loss 101: minoxidil, finasteride, microneedling, and what makes hair look thicker

  • Why your skin is a mirror of internal health, and how lifestyle factors like stress, sleep, and diet matter more than you think

  • The skin barrier, slugging, in-clinic vs. at-home treatments, and what to skip entirely

  • The future of skincare technology, and how HelloSkin is pushing it forward

  • And yes, the story behind Carter putting a microchip in his hand

Whether you’re battling acne, trying to keep your skin healthy as you age, or just want to stop wasting money on the wrong products, this episode cuts through the BS and gets straight to what actually works, backed by science, not hype.


Carter's Recommendations & Website

Carter's Recommended Korean Sunscreen


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Timestamps:

(2:05) Day-of Acne Fixes

(15:18) Skin-care vs. Acne-care

(37:00) Skin-care + Anti-aging Essentials

(48:00) Korean Sunscreen vs. USA Sunscreen

(51:10) Tanning Peptides

(01:01:24) Carotenoids Supplements For Skin Glow + UV Protection

(01:14:44) Skin Care Routine Fundamentals

(01:29:00) Slugging

(01:39:30) Rise And Fall of Eviba Skincare

(01:53:25) Hair Loss + Thicker Hair Essentials


Transcript

Click on a timestamp to play from that location

0:00.0

Today, I talk to someone who wears a lot of hats, a cosmetic chemist, an MD PhD candidate,

0:05.9

the chief product officer at Hello Skin, a short and long form video creator,

0:10.4

and honestly, one of my favorite people I've had the privilege of getting to know.

0:14.4

Carter Gottlieb, also known as Aviba Carter.

0:17.0

And what sets Carter apart isn't just his resume.

0:19.6

It's his relentless curiosity in an industry that is known for bending to hype, quick wins, and marketing gimmicks.

0:25.6

I mean this when I say this. Carter is one of the rare voices who doesn't settle for what's good enough, and that's what makes him so special.

0:31.6

He's not driven by profit. He's driven by genuine obsession to understand, to explore, and to push the science of skin, hair, and the dermatology field forward. He's the kind of thinker who looks at what exists today, asks why it exists that way, and then imagines what should exist instead. His content doesn't just hand you answers. It takes you on a journey through the dead ends and detours that most of us would stumble into on our own, but not have the strength or knowledge to move past, showing you how to find a better path that

0:57.5

actually works.

0:59.4

A lot like me, Carter doesn't just want good, he wants great, and in today's conversation,

1:03.8

you'll hear why that mindset pair with his depth of knowledge makes him one of the most

1:07.3

valuable voices in the world of skin and hair science.

1:10.3

In this episode, we dive into the fundamentals and the frontiers of how to actually treat

1:14.6

acne versus what's myth and what most people are doing that actually makes it worse.

1:18.8

Why sunscreen might be the single most powerful anti-aging tool we have, and why Korean

1:23.2

sunscreens and other countries are so far ahead of what's available to us in the States,

1:31.7

along with how to get them. What carotenoids and supplements can do to change the look and resilience of your skin and how to separate big rocks from gimmicks in your routine.

1:36.6

We get into the in-clinic treatments versus what you can do at home, the future of skin technology,

1:41.1

and then shift into hair, breaking down what really works for growth and

1:44.3

thickness from monoxidil to fanastride and even microneedling with the fundamentals most people

1:49.4

miss, men and women. If you care about your skin, your hair, or just how curiosity and science

1:54.6

can change the way we take care of ourselves, you're going to want to hear this. My co-host,

...

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