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Your 40s are often when the jawline first loses its edge, eye bags hang around after a full night's sleep, and forehead lines stop fading. This page explains what is changing and how small, early steps can help.

Gangnam Celliting Clinic · 121 Teheran-ro, Gangnam-gu, Seoul · Gangnam Station Exit 12 (4-min walk)
For most men over 40, the best approach is early and modest: a non-surgical lifting treatment to support the jawline, wrinkle relaxer for forehead and frown lines, and skin-quality care for a tired look. At Gangnam Celliting Clinic in Gangnam, Seoul, an MD-PhD doctor decides which change matters most for your face and sets a maintenance rhythm you can keep.
In the 40s, the first changes are usually structural rather than surface-deep: the skin over the jaw loosens slightly, the under-eye area loses support, and expression lines begin to stay visible at rest. Men often notice it in photos before they notice it in the mirror.
Collagen and elasticity decline gradually, so the line from ear to chin can look less crisp, especially when you look down at a phone or laptop.
Thinner skin and weaker support under the eyes can make bags more visible. The cause matters: some bags respond to non-surgical care, others need a surgical opinion.
Years of raising the eyebrows and frowning at screens etch lines that no longer disappear when the face relaxes.
Skin renews more slowly, and sun exposure from earlier decades starts to show as uneven tone and texture.
Stress and short sleep mainly show up around the eyes and in skin tone: puffiness, darker shadows, and a grey, flat complexion. Treatments can improve the skin and support the jawline, but they work best when the basics are not working against them.
Each early sign has a different cause, so it usually needs a different tool. The table below shows what a doctor will often discuss; your own plan depends on your skin, anatomy and medical history.
| Concern | Main cause | Options often discussed | Usual recovery |
|---|---|---|---|
| Softer jawline | Early skin laxity | HIFU or RF lifting | Short-lived redness or tenderness |
| Forehead and frown lines | Repeated muscle movement | Wrinkle relaxer (botulinum toxin) | Small marks; bruising possible |
| Under-eye bags | Fat, thin skin or fluid | Assessed first; skin and lifting care if suitable | Depends on cause |
| Dull, rough skin | Slower renewal, sun damage | Skin boosters, laser care | Brief redness or dryness |
Devices such as Ultherapy PRIME(micro-focused ultrasound) and Thermage FLX (monopolar radiofrequency) are common starting points for an early jawline change. For the eye area, see our page on under-eye anti-aging treatments.
A good maintenance plan in your 40s is simple: one thorough assessment, treatment of your main concern, then regular top-ups at intervals your doctor sets. The goal is to slow visible change, not to chase a different face.
| When | Focus | Example |
|---|---|---|
| First visit | Assessment and top priority | Jawline lifting or wrinkle relaxer |
| Every few months | Expression lines | Wrinkle relaxer review, as advised |
| Once a year or so | Firmness and contour | Lifting device check and repeat if needed |
| Every day | Protection | Sunscreen, moisturiser, sleep |
| Each return visit | Re-assessment | Adjust plan to how your face changed |
If you already know you want to focus on contour, our page on jawline lifting treatments goes into more detail.
Suitability is a medical decision made by your doctor after an in-person consultation and review of your health history.
Message us on WhatsApp with front and side photos and the change that bothers you most.
Dr. Ho-chan Kim or Dr. Young-mi Rhee examines your jawline, eye area and skin in person and asks about your health and past treatments.
You decide together which concern to treat first and which can wait for a later visit.
Where suitable, treatment can take place the same day, with topical anesthesia or AirNox nitrous-oxygen analgesia matched to the procedure.
You leave with aftercare in your language, and the clinic follows up for 3 months after you return home.
Written aftercare in your language, a 24-hour line and a free 3-month follow-up.
No serious complication since 2007. FDA/KFDA-cleared devices and verifiable, genuine consumables.
Monitored sleep sedation, AirNox analgesia, the X-injector or local anesthesia, matched to the procedure.
Many men in their 40s visit Seoul for business and add a clinic appointment to the trip. Device lifting and wrinkle relaxers usually fit a short stay, because most people return to normal activity quickly. Still, bruising after injections is possible, so avoid booking injections the day before an important presentation. The clinic is a 4-minute walk from Gangnam Station Exit 12 and opens until 21:00 on Fridays, which helps if your weekdays are full of meetings.
Reviewed by Dr. Ho-chan Kim, MD, PhD · Updated October 2026
There is no fixed age. Many men start in their early-to-mid 40s, when jawline softening or lasting forehead lines first appear. Starting earlier means smaller, more subtle steps are usually enough, while waiting longer often means more is needed to see a change.
Not when the dose and placement are planned for a male face. The aim is to soften forehead and frown lines while keeping natural expression. Men usually have stronger brow muscles, so the doctor adjusts the plan to avoid a flat, surprised or heavy-browed look.
Sometimes. If the bags come mainly from thin skin, mild laxity or fluid, skin-quality and lifting treatments may help. If they come from fat that has pushed forward, surgery may give a clearer result. The doctor examines the area first and explains which group you fall into.
Results from devices such as HIFU and RF lifting build gradually over the following weeks and tend to fade slowly over many months. How long they last depends on your skin, lifestyle and the device used, which is why many men repeat lifting as part of a yearly plan.
A few changes help. Use a broad-spectrum sunscreen every morning, a moisturiser that suits your skin type, and a gentle cleanser. Your doctor may suggest pausing strong exfoliating products around certain treatments. These habits support results but do not replace medical treatment for laxity.
Send your photos on WhatsApp at +82-10-4567-3237 or use the consultation form, and an MD-PhD doctor will review where to begin.
Medical information on this page is provided by Gangnam Celliting Clinic and reviewed by our medical directors. It is not a substitute for an in-person medical consultation. Individual results vary, and all procedures carry potential risks and side effects that your doctor will explain before treatment.

From skin lifting and stem cell treatments to regenerative skin care, our two MD-PhD directors plan every treatment personally. Send us your questions and travel dates.
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WhatsApp :
+82-10-4567-3237
Address : 11F & 13F, WON Building, 121
Teheran-ro, Gangnam-gu, Seoul 06133, Republic of Korea
Gangnam Station, Exit 12
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