Our YouTube videos, written up by the doctors

Korean PLLA Filler? Filler vs Collagen Booster vs Skin Booster

Is PLLA a filler? Two Gangnam HERA doctors sort out the three injectable families that confuse most patients — filler, collagen boosters and skin boosters — and how to combine them by area.

Dr. Jong Seon Kim7 min read

Neck Line Filler: One Treatment, Start to Follow-Up

A Gangnam plastic surgeon treats a young patient's two neck lines on camera — why the lines form, why they are filled slightly high at first, how much it hurts, and what the follow-up visit showed.

Dr. Jin Yi Han6 min read

Korean Skin Booster: How to Choose by Your Skin's Main Problem

There are so many Korean skin boosters that patients freeze. A Gangnam doctor sorts them by the four problems that matter — hydration, pores, inflammation and brightness — and names the one he would pick if he could only choose one.

Dr. Jong Seon Kim7 min read

Collagen Skin Boosters in Korea: Re2O vs CaHA Explained

Dr. Jong Hoon Lee of Gangnam HERA compares two collagen skin boosters Korean clinics are using now: Re2O (Lituo), which delivers human-derived collagen directly, and CaHA, which stimulates your own collagen slowly and steadily.

Dr. Jong Hoon Lee7 min read

Juvelook Eye in Korea: A Softer Fix for Under-Eye Hollows

Dr. Jong Seon Kim of Gangnam HERA explains Juvelook Eye — a finer-particle PDLLA collagen stimulator for under-eye hollows and crepey eye skin — and what really decides whether it looks smooth or lumpy.

Dr. Jong Seon Kim7 min read

Unlicensed Filler Injections: The Real Risks, From Two Doctors

Two Gangnam doctors discuss Korea's 'injection auntie' controversy: why unlicensed injections and house calls are risky, what can go wrong with filler, hospital-grade devices and prescription diet pills outside a clinic, and how visitors can stay safe.

Dr. Jong Seon Kim7 min read

Wrinkles Around the Mouth: A CaHA, Ultherapy and RF Combination

A Gangnam doctor explains the wrinkles that form around the mouth decade by decade, how to tell volume loss from sagging and fine lines, and the combination he uses: shallow Ultherapy, needle RF and CaHA, with touch-ups timed to the CaHA.

Dr. Jong Hoon Lee7 min read

Neck Wrinkles Treatment Without Surgery: Two Kinds of Lines

Dr. Jong Hoon Lee of Gangnam HERA explains why horizontal and vertical neck lines are different problems, and how he chooses between soft filler, thread lifting and a diluted CaHA skin booster — with honest limits.

Dr. Jong Hoon Lee7 min read

Elf Ear Filler: Shaping Flat Ears for a Smaller-Looking Face

Dr. Jong Seon Kim of Gangnam HERA explains ear filler for flat, pinned-back ears and sharp 'knife' ears, why bringing the ears forward makes the mid-face look narrower, and how his 'goddess ear' method uses far less filler behind the ear.

Dr. Jong Seon Kim6 min read

Korean Dark Circle Treatment: When Under-Eye Filler Works

A Gangnam doctor explains why not every dark circle should be treated with filler: the four causes he checks, when filling a hollow can soften eye bags, and why very thin under-eye skin may do better with fat grafting.

Dr. Jong Hoon Lee6 min read

Korean Bridal Facial Plan: Glow, Neck and Arms One Month Out

Two Gangnam doctors share the three things brides worry about most — skin glow, the neckline and the upper arms — and the low-downtime treatments they suggest when the wedding is only a month away.

Dr. Jong Seon Kim7 min read

Eye Hollow Filler: Why I Fill Sunken Lids in Two Sessions

Dr. Jong Seon Kim of Gangnam HERA explains upper eyelid (eye-hollow) filler: what causes sunken lids, why he moved from fat grafting to filler, why he splits treatment into two sessions three weeks apart, and how it changes a double eyelid.

Dr. Jong Seon Kim6 min read

Mini Facelift vs Full Facelift vs Thread Lift: How Dr. Jong Hoon Lee Decides

Two Gangnam doctors answer viewer questions about facelifts: what a mini facelift really is, whether 50 is too early, revision after a year, timing before a wedding, going back to work — and when a thread lift is enough.

Dr. Jong Hoon Lee7 min read

Korean Lip Filler: The Lip Ratio a Surgeon Looks For

Dr. Jong Seon Kim of Gangnam HERA rates famous lips on camera and explains what he actually looks for: the upper-to-lower lip ratio, volume that carries to the corners, a defined Cupid's bow, and when volume becomes too much.

Dr. Jong Seon Kim6 min read

Thread Lift With Ultherapy or Titanium: A Combination Lift in Seoul

Dr. Jong Hoon Lee of Gangnam HERA explains HERA's two signature combination lifts — threads with Ultherapy, and threads with Titanium laser — what each part adds, who suits which, and how to time them before an event.

Dr. Jong Hoon Lee7 min read

Brow Bone Filler: Adding Depth to a Flat Eye Area

A Gangnam doctor explains brow bone filler on camera: why some East Asian faces look flat around the eyes, how about 1 mL is shaped point by point, which artery makes it a technique-sensitive area, and why a cannula is used.

Dr. Jong Hoon Lee6 min read

Arm Fat Injections: A Real Sok-Sok Session and Follow-Up

A Gangnam HERA patient has Sok-Sok fat-dissolving injections for the soft fat at the back of her upper arms — on camera from first injection to follow-up — with what it felt like, how long the swelling lasted and what diet and exercise added.

Dr. Jong Seon Kim6 min read

Skin Analysis in Seoul: What AI Shows, What a Doctor Decides

Two Gangnam doctors explain what an AI skin analysis device can measure — skin type, wrinkle depth, pigment, pores — why it ranks your concerns, and why the final plan still has to come from a face-to-face consultation.

Dr. Jong Seon Kim6 min read

Non-Surgical Eye Lift in Korea: Thermage, Ultherapy and Needle RF for Crepey Eyes

A Gangnam doctor explains why eye skin wrinkles so easily, why relaxing the muscle is only a temporary fix, and the three-device eye combination HERA uses to rebuild collagen and lift the eye area without surgery.

Dr. Jong Seon Kim7 min read

Non-Surgical Body Contouring in Korea: Injections Plus Devices

How Gangnam HERA combines the Sok-Sok fat-dissolving injection with body-tightening devices for stubborn arm, belly and thigh fat — how the injection works, what recovery really looks like, and why your own effort still matters.

Dr. Jong Seon Kim6 min read

Eye Ultherapy From the Patient's Chair: Dr. Jong Hoon Lee's Own Session

Dr. Jong Hoon Lee of Gangnam HERA lies down as the patient for eye-area Ultherapy and needle RF for crow's feet — what each depth is for, how it actually feels, why redness is a good sign and when the result appears.

Dr. Jong Hoon Lee7 min read

Korean Non-Surgical Face Lift With Filler: What It Can Fix

Filmed in one visit: a patient worried about hollow eyes is treated with filler in the eyelids, under-eyes, smile lines, chin and nose. A Gangnam doctor explains why dark circles only partly improve, why soft and firm fillers go to different places, and where filler stops and lifting begins.

Dr. Jong Hoon Lee7 min read

Thread Lift in Korea: What Hyaluronic-Acid APTOS Threads Change

Dr. Jong Hoon Lee of Gangnam HERA explains the newest APTOS NAMICA threads: a P(LA/CL) thread coated with hyaluronic acid, how it compares with PDO, how long it lasts, and the long Light Lift 50 thread for double chin.

Dr. Jong Hoon Lee7 min read

Nasolabial Fold Treatment in Korea: Start With the Cause

Nasolabial folds come from bone, ligaments, fat and sagging skin — and the treatment that works depends on which one is yours. Two Gangnam HERA doctors cover home care, skincare, clinic options and why a 60–70% improvement is the honest goal.

Dr. Jong Seon Kim7 min read

Korean Pore Minimizer: Home Microneedling vs Clinic Potenza

A Gangnam doctor tests a home 0.25 mm microneedling roller, a clinic MTS device and Potenza RF microneedling on an orange with food dye — and explains what the depth difference does and does not prove about pores.

Dr. Jong Hoon Lee7 min read

APTOS Thread Lift Review: A Real Case for Jowls and Double Chin in Her 60s

Dr. Jong Hoon Lee of Gangnam HERA films a full APTOS thread lift on a 68-year-old patient: NAMICA threads for the folds and jowls, a long hammock thread for the double chin, and what changes when you are over 50.

Dr. Jong Hoon Lee7 min read

Marionette Lines Treatment in Korea: Fill, Reduce or Lift?

Marionette lines have three main causes — sagging, hollowing and excess jowl fat — and each needs a different fix. Two Gangnam HERA doctors explain how to tell which one you have, and why filler alone can make some cases worse.

Dr. Jong Seon Kim7 min read

Anti-Aging Treatment in Korea in Your 50s: Threads Plus Filler

A full consultation, treatment and three-week follow-up on camera: how Dr. Jong Hoon Lee of Gangnam HERA reads a face in its fifties, why he left the forehead alone, and how a thread lift and a little filler work together to take years off without surgery.

Dr. Jong Hoon Lee7 min read

Ear Filler in Korea and Other Special-Area Fillers, Explained

Ears, eyelids, under-eyes, neck lines and the backs of the hands — Dr. Jong Seon Kim of Gangnam HERA explains why each special area needs a different filler firmness, amount and depth, and what goes wrong when it doesn't.

Dr. Jong Seon Kim7 min read

Sunken Eyes: Filler vs Fat Transfer — Which Fits Your Eyelids?

Why do upper eyelids sink, and should you fill them with filler or your own fat? Two Gangnam HERA doctors compare both methods on real cases, and show a case where neither filling method was the real answer.

Dr. Jong Seon Kim7 min read

Skin Treatment in Summer: Is It Safe in Korea's Heat?

A Gangnam doctor answers the old warning that you should never get skin or filler treatments in summer — what actually raises the risk, what aftercare matters, and when to start on summer pigment.

Dr. Jong Seon Kim6 min read

Korean Face Slimming Without Surgery: When Threads Are Enough

Dr. Jong Hoon Lee of Gangnam HERA explains why so many patients fly to Korea for a no-surgery V-line, how a thread lift actually holds the face up, and the three kinds of face where threads work, need help, or should give way to surgery.

Dr. Jong Hoon Lee7 min read

Sunken Eyelid Filler: Restoring the Crease, Softening the Look

Four upper-eyelid cases from Gangnam HERA show why filling a sunken eyelid is only half the job — the other half is bringing back a smooth double-eyelid crease underneath — and why this area needs soft filler and a careful hand.

Dr. Jong Seon Kim7 min read

Korean Under-Eye Bags: When Filler Works Instead of Surgery

Three real under-eye cases from Gangnam HERA — a hollow after previous surgery, thin skin with dark circles, and a fat bulge booked for surgery — and why each was treated with filler, plus what filler cannot fix.

Dr. Jong Seon Kim7 min read

Korean Filler: Why Less Looks Better — and How Filler Dissolves

Dr. Jong Seon Kim of Gangnam HERA shows on camera how hyaluronic acid filler dissolves, why a lump of filler behaves differently from a fine line of it, and why the smallest effective amount is the safest Korean filler plan.

Dr. Jong Seon Kim7 min read

Hand wrinkles in 10 minutes

Dr. Jong Seon KimYouTube ↗