Sagging Face After Weight Loss: Choosing a Treatment When It's Loose Skin, Leftover Fat, or Both — Almira's Case

“I finally lost the weight — so why does my face look looser, not slimmer?” I'm Dr. Hyunji Kim, director of Delphic Clinic in Sinnonhyeon, Gangnam. I trained at Korea University Medical Center, and I consult and treat international patients myself. This comes up constantly now, especially from patients who lost weight quickly over a few months. Almira (@almirainkorea) described both halves of the problem — a lower face that stayed full and looked sagging — and had ONDA 40kJ, Titanium 40kJ and a facial contour injection. Here I explain how I choose a sagging face after weight loss treatment: telling loose skin from leftover fat, which tool suits each, when to wait, and what it costs.

Medically reviewed · Dr. Hyunji Kim · October 26, 2026

Loose skin, leftover fat, or both? The first thing I check

Choosing a sagging face after weight loss treatment starts with one distinction. Is the lower face heavy because fat stayed behind, or because skin that once covered more volume has loosened? In Almira's words it was both: “fuller” and “sagging-looking.”

• Mainly fat: soft and pinchable along the jaw, a double chin when you look down, skin still springs back.
• Mainly skin: the face is slimmer, but the jawline blurs and folds appear near the mouth.
• Both: fullness under the chin with a softer jawline — the most common picture after weight loss.

Why the face can look saggier after weight loss

When volume leaves faster than skin can adapt, the skin is left slightly too large for what's underneath. Fast loss makes this more noticeable. At the same time, the lower face often holds on to small fat pockets longer than the body does.

I covered why the lower face is often the last to change in Almira's earlier case. Aliaa's case is a useful comparison: there, ONDA after weight loss was the main tool.

Which treatment fits which picture

1. 1

   Mainly leftover fat

   ONDA for broader fullness, or a facial fat-dissolving injection for a small, stubborn pocket. Sometimes one is enough.

2. 2

   Mainly loose skin

   A skin-firming treatment such as Titanium. Reducing more fat here can make looseness look worse.

3. 3

   Both, like Almira

   Reduce the fat and firm the skin in the same plan, so the slimmer shape doesn't look slack.

Why I add skin-firming when I reduce fat

This is my most common change to a patient's own plan. People who've lost weight often ask only for fat reduction, because fullness is what they see. But if the skin is already a little loose, taking out more volume alone can leave the jaw softer, not sharper.

ONDA's microwaves tighten the dermis while heating fat, and Titanium's three wavelengths support firmness at the surface. Together they cover both layers Almira named.

If you're weighing the injection part, read about the fat-dissolving side effects reviews understate before you decide.

What the three-part plan costs

These are example first-visit menu prices for the same three treatments, not a statement of what Almira paid. A larger injection volume, higher energy or repeat sessions change the total.

When should you wait before treating a sagging face?

• You're still losing weight — the face will keep changing, so the plan would too.
• You lost a lot very recently; give your skin a few months to settle first.
• The sagging is advanced and folds are deep; a device may only partly help.
• You're pregnant or breastfeeding, or have a pacemaker or metal implants in the area.

Keeping the result: stable weight and maintenance

Fat cells reduced by ONDA's heat don't come back, but the remaining ones can enlarge if weight climbs again. A stable weight protects the result more than any follow-up.

1. 1

   First days

   Mild swelling or tenderness at the injection site is normal. Wash with lukewarm water and use sunscreen.

2. 2

   Several weeks to 2–3 months

   ONDA's fat reduction and tightening become clearer. Compare photos at the same angle and light.

3. 3

   Afterwards

   Some patients return for maintenance. We decide that together at a follow-up.