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Zaid K. Dahhaj

Circadian educator & coach restoring human health through circadian alignment

Rethinking Skin Esthetician Course (Payment Plan)

Rethinking Skin Esthetician Course (Payment Plan)

$550$997

Get the special launch offer of discounted pricing on the Esthetician Course + my 80/20 course for free as a bonus until midnight PST on 10/11.

Your clients' skin runs on a daily circadian clock system, and most of what keeps those clocks on time happens outside your treatment room. Light. Sleep. Meal timing. The timing of the day and of every product she uses. Rethinking Skin shows you how to read the skin through those inputs and build them into the work you already do.

I built Rethinking Skin to bring it into the treatment room, in a form you can use with the next client in your chair.

Skin keeps time. Barrier function, oil, water loss and repair all shift across the day, the barrier becomes more permeable at night, and light is the strongest signal that keeps the whole schedule on track. When you know what a client's skin is doing and when, you can time your treatments, her home routine and your retail to match. You keep the products and protocols you trust. You add the part of the picture most esthetics training leaves out.

7 modules. About 90 lessons. 20+ research Deep Dives. A full client toolkit and practice builder. Lifetime access, with every future update included.

Start here: Orientation
How the course is built, how to move through it, and the one question the whole method rests on: what is this skin doing, and when?

Module 1: The Paradigm Break
The client who does everything right and still won't improve. Why good treatment can turn into more and more treatment, and the reframe that gets you out of that loop.

Module 2: The Circadian Skin Clock
Skin's own clocks, what changes across the 24-hour day, and why the time of an appointment is part of what you're seeing. You'll learn to separate a client's baseline from the time of day.

Module 3: Full Spectrum Sunlight
What each part of the spectrum does in the skin, from early morning light through UV to visible and infrared, the indoor light problem, and how to take a client's light history.

Module 4: The Skin Barrier, Reconsidered
The barrier as a living system the body rebuilds on a schedule. Why the night matters, how sleep enters the barrier equation, how to assess barrier problems upstream, and why you keep the products.

Module 5: The Circadian Day for Skin
A client's day from morning to night, where her products belong in it, and how to choose the few changes that matter most for her.

Module 6: In the Treatment Room
The circadian intake, timing as a treatment variable, LED, peels and actives matched to the state of the skin, seasonal adjustments, and where your lane ends.

Module 7: Teaching Clients and Positioning
Plain-language scripts for explaining all of this, what to say when a client quotes her dermatologist, and how to stand out without fear-based marketing.

The Deep Dives
20+ standalone research breakdowns behind the method, for when you want the evidence on a specific case.

The Circadian Skin Toolkit
An intake form, a one-page cheat sheet, seasonal quick-guides and client handouts you can use from day one.

The Practice Builder

  • Circadian Skin Mapping: a premium 75-minute consultation, with the session flow, ready-to-paste menu copy and a suggested price ladder

  • Packages and membership: a 90-day program, a seasonal membership and an annual plan, with enrollment scripts

  • The Retail Regimen System: a morning and evening prescription card built on the line you already carry

Also included:

  • Two live group calls with me, on October 10 and 13, to ask questions and get feedback as you put it to work

  • All future course updates

  • Works on any device, at your own pace.

Launch bonuses:

  • The 80/20 Circadian Course, my self-paced course on light, sleep and timing ($249 value), for everyone who joins by Sunday, October 11

Start Rethinking Skin

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