Stop Selling a One‑Time Glow.
Start Teaching Longevity Glass Skin.
The online theory & protocol course that gives beauticians a science‑backed, need‑matched Korean skin ritual — plus lifetime access to a private global community and direct line to the Korean team behind it. So every recommendation you make can be explained, defended, and repeated with confidence.
"Glass skin" isn't a filter effect.
It's a protocol — and you don't learn it alone.
Most online K‑beauty courses hand you a video and disappear. This one gives you the logic behind the ritual, and keeps you connected to the Korean team and a global cohort of beauticians long after you finish Chapter 7.
What most courses give you
- A list of products to apply, with no "why"
- One generic routine for every client
- A video you watch alone, then never open again
- No access to the people who actually built the protocol
What Longevity Glass Skin gives you
- The skin‑aging science behind every step
- A need‑based decision tree for serum + device selection
- A private global community of beauticians on the same protocol
- Direct access to K‑Jayeonmiin's Korean team — not a support inbox
This isn't theory in a vacuum — it's already working in Korean beauty studios.
Actual client results from studios applying this exact ritual sequence. Single‑session and short‑course outcomes shown below — individual results vary by skin condition and protocol adherence.
Photos courtesy of Korean beauty studios using this protocol on real clients. Shared with permission for educational purposes.
Why this course is different
Need → Prescription, not memorization
Four signature serum categories, matched to specific client concerns through one repeatable consultation framework — not a script you recite, a logic you understand.
A community, not a download
You join a private global group of beauticians running this exact protocol — with the Korean team who built it still in the room, still answering questions.
An order you never have to question
Every chapter follows a fixed ritual sequence — barrier, exfoliation, active, device, seal, home care, consultation — because sequence is what separates a facial from a protocol.
7 Chapters. One Ritual. Zero Guesswork.
Self‑paced online theory training built by K‑Jayeonmiin Academy's founding team, structured around the exact sequence you'll use with clients.
Why Barrier & Cleansing Set the Ceiling on Every Result
The epidermal barrier science every later step depends on — and why massage‑style cleansing is the most common (and costly) mistake in the room.
FoundationDeep Cleansing & Exfoliation — Preparing the Canvas
Enzyme vs. chemical exfoliation, and how to read skin in real time to choose the right intensity before introducing actives.
ReadinessThe Longevity Serum Menu — Matching Actives to Client Needs
A four‑category consultation framework for choosing the right active — from barrier‑repair and scalp concerns to overall vitality, instant‑glow event prep, and mature‑skin nourishment.
Core Framework4‑Modality Device Training — Matching Tech to Concern
One decision tree for choosing between contour, deep‑penetration, soothing, and deep‑lifting modalities — no more improvising on the treatment bed.
Core FrameworkSealing the Result — Modeling Mask & Barrier Lock‑In
The occlusion science behind why this step isn't filler — and how rushing it can undo the work of chapters 3 and 4.
RetentionLongevity Home Care — Day/Night Ritual & 48‑Hour Aftercare
Compliant day and night sequencing plus a 0–48 hour aftercare protocol that protects in‑salon results between visits.
ProtectionConsultation & Contraindications — Trust Before You Touch the Skin
A complete intake framework, absolute and relative contraindications by serum and modality, and a stop‑signal protocol for in‑session safety.
Client Trust4 Modalities. One Decision Tree.
Any Device You Already Own.
Chapter 4 is demonstrated on our studio's own multi‑modality unit — but the framework is built around modality, not brand. Already have InMode, HIFU, Cold Plasma, or LDM in your shop? Map it to the same 4 categories and the protocol works immediately.
Studio demonstration unit
① InMode (Radiofrequency Contouring)
Facial fat reduction & jawline/contour tightening
② HIFU (High‑Intensity Focused Ultrasound)
Deep structural lifting
③ Cold Plasma (Plasma Skin Therapy)
Sterilizing, regenerating & calming for reactive, trouble‑prone skin
④ LDM (Low‑frequency Dynamic Micro‑massage)
Reduces swelling & inflammation, restores barrier function
Client Consultation Script
- Wants a sharper jawline / contour? → InMode
- Needs more lift, sagging is the concern? → HIFU
- Sensitive skin, trouble, needs to calm and regenerate first? → Cold Plasma
- Swollen, hot, inflamed — barrier needs urgent recovery? → LDM
One framework. Four needs. Zero guesswork.
A preview of the need‑matching logic you'll master inside the course.
Sensitive · Reactive · Scalp Concerns
A bio‑active, DNA‑based regenerative ampoule for compromised or reactive skin — chosen when barrier repair has to come before anything else.
Overall Aging & Energy Loss
The course's flagship booster, built around cellular energy metabolism — for clients who want ongoing, cumulative care rather than a one‑time fix.
Event & First‑Visit Prep
A multi‑vital hydration complex — dozens of active ingredients working toward one outcome: visible glow, today.
Mature, Depleted Skin (40+)
An advanced, nutrient‑dense formula for depleted, low‑elasticity skin — usable in‑salon or as a take‑home retail extension.
Full ingredient science, sourcing, and client‑facing language for each serum
— including which claims you can and can't make to clients —
are covered inside Chapter 3.
Who this is built for
K‑Jayeonmiin Academy
An international Korean beauty academy on a mission to bring K‑beauty to the world — and give beauticians and medical aesthetics professionals the education to use it with confidence.
Ahnna
Leads K‑Jayeonmiin Academy's course development and curriculum, including the in‑Korea Korea Glass Skin program and this online Longevity Glass Skin course.
Grace
Co‑developed the Longevity Glass Skin curriculum and leads course content production alongside Ahnna.
You're not studying alone. You're joining Korea's beauty community.
Every seat includes lifetime membership in the private K‑Jayeonmiin Digital Academy — the global home base for beauticians building real Korean‑protocol businesses.
The community exists today and is active — this isn't a "Discord we'll get around to." You're joining a group that's already meeting, already sharing results, already growing.
Direct line to the Korean team
Ask questions about the protocol, serums, or a tricky client case — and get answered by the people who built the course, not a support ticket.
Weekly live sessions
Live Korean‑beauty sessions and protocol breakdowns, plus our weekly Instagram Live — a standing appointment with Korea, not a one‑off webinar.
A global peer network, not a solo grind
Trade real client results, troubleshoot with beauticians running the same protocol across Malaysia, Vietnam, China, Australia and beyond.
First access — for life
Founding members get priority access and founding pricing on every future K‑Jayeonmiin product, serum drop, and course, before they're announced publicly.
Enroll before Sept 10 and also get —
Serum × Device Pairing Guide $39 value
A ready‑to-use printable guide pairing each of the 4 serums with its matching device modality — the exact framework you can turn into your own service menu.
Consultation Decision‑Tree Cards $29 value
Printable client‑conversation scripts for choosing the right serum and modality on the spot — no memorization required.
Private Community Membership, Locked for Life Priceless
Lifetime access to the K‑Jayeonmiin Digital Academy — weekly live sessions, direct access to the Korean team, and a global peer network that keeps growing with you.
First Access to Future Products & Programs
Priority access and founding‑member pricing on upcoming serums, product drops, and programs — including in‑Korea courses and future online launches.
Join the Founding Cohort
The price only goes up from here.
This is the lowest Longevity Glass Skin will ever be.
You save: $200
Questions
When does the course start?
Full access launches September 10. Enroll now to lock in the founding price — you'll be notified the moment the course goes live.
Who is this course for, exactly?
Estheticians, beauty entrepreneurs, shop owners, and medical spa professionals — anywhere in the world — who want a science‑backed, defensible glass skin protocol rather than a routine copied from social media.
What's the community, exactly — is it another group chat?
It's the K‑Jayeonmiin Digital Academy on Skool — a private space with weekly live sessions, direct Q&A with our Korean team, and 390+ beauticians already active. It's free to browse, but the course itself and full community access unlock once you enroll.
Do I need to buy the exact device or serums shown in the course?
No. Chapter 4 is demonstrated on our studio's device, but the framework is organized by modality — InMode, HIFU, Cold Plasma, and LDM — not by brand. If your shop already has any of these, you map it to the same 4 categories and use the protocol immediately. The same logic applies to the serum menu in Chapter 3.
What happens after September 10?
The price returns to $497. Anyone enrolled at the $297 founding price keeps that price and access permanently, including future course updates.
Is this connected to K‑Jayeonmiin Academy's in‑Korea courses?
Yes — this online course is built by the same team behind K‑Jayeonmiin Academy's in‑Korea programs, including Korea Glass Skin, as part of our mission to bring Korean beauty education to beauticians worldwide.
The Longevity Glass Skin ritual — and the community behind it — at its lowest price ever.
Founding price ends the moment the course launches on September 10.
Claim My $297 Founding Spot →Discover your real skin products
Clinic-level Korean skin care.
Designed for real results — at home.
Curated by Korean beauty professionals
with over 15 years of clinical experience.