Written and medically reviewed by Dr. Kamen Ng. Last reviewed 2026-11-13. 8 min
By Dr. Kamen Ng · Head of Aesthetic Medicine, AOKLINIK
Let me deal with the word in the title first, because it is doing something misleading and everybody uses it anyway.
A facelift is tailoring. A surgeon lifts the fabric, takes in the excess and removes what is left over. CaHA does not do that and never will.
What CaHA does is closer to restuffing the cushion underneath. The cover has not been taken in. It is just sitting on something with shape again, so it hangs better.
That is a real and visible improvement, and it is not a facelift. Anyone selling you the second thing while doing the first is going to disappoint you in about three months.
With that out of the way, here is what you actually want to know before you sit in the chair.
What it is, in one minute
CaHA is calcium hydroxylapatite. Your bones and teeth are largely made of it, so your body recognises the material rather than treating it as a foreign object.
It arrives as tiny particles suspended in a gel, and it works in two acts.
Act one, the gel. Gives you volume on the day. Then, over several weeks, it quietly disappears.
Act two, the particles. They stay behind as a scaffold, and your own cells build fresh collagen around it.
Think of scaffolding on a building. The scaffolding comes down. The building is what you were paying for.
This is the bit that matters practically: the thing you see at three months is mostly your own tissue. Which is why the timeline below is the most useful section on this page.
If you want the detailed version, the planes, the vectors and the published evidence, that is all in the full clinical article. This page is the shorter read.
The pros
It builds your own collagen. You are not just renting space with a gel. There is a construction project involved, and the result at three months is partly something you made.
It lasts a good while. Commonly twelve to eighteen months, depending on the area and how much was used. Longer than most gel fillers.
It barely swells. CaHA holds very little water compared with hyaluronic acid, so you are much less likely to spend a fortnight looking inflated and waiting for your face to come back. If you have had filler before and hated that part, this is a genuine difference.
It is firm, which is the whole point. Placed deep on bone it holds its shape against the weight of everything above it. That is exactly what you want from something meant to provide support, and exactly why it has no business being in your lips.
It fades gracefully. Because some of what you have is your own collagen, patients tend to describe the decline as gentle rather than as a result falling off a cliff.
The jawline use has decent evidence behind it. A properly conducted study with blinded assessors found around three quarters of participants improved by at least one grade at twelve weeks. That is a better basis for a conversation than a clinic's before-and-after album.
The cons
It cannot be undone. This is the big one and I put it in bold deliberately.
Hyaluronic acid filler has an undo button: an enzyme that dissolves it within a day or two. CaHA has nothing of the kind. If it is placed badly, your options are massage, patience, sometimes an injection into the lump, and occasionally a small procedure.
This is not a reason to avoid it. It is a reason to be fussy about who injects it, and a reason I deliberately do less than I could at a first session.
The result partly goes away before it comes back. Around weeks two to six, as the gel resorbs, a lot of patients quietly panic. Nothing has gone wrong. See the timeline.
It is not a fix for loose skin. If your actual problem is skin that has become genuinely loose and surplus, adding support underneath makes your face heavier rather than lifted. I will tell you this at the consultation if it applies, and you may not enjoy hearing it.
Lumps are possible. Mostly from placement that is too shallow or in tissue that moves too much. Usually settles with proper management, and takes longer to sort out than the equivalent problem with HA filler.
Some areas are off limits. Not the lips. Not the tear trough. Not, in my hands, the nose or between the brows, because those carry the highest risk of a blood vessel problem and I want a reversible product anywhere the stakes are that high.
It is a medical procedure with real risks, the serious one being vascular. Rare, manageable in trained hands, and not nothing. Worth reading our complications article if you want the detail.
Who it suits, and who it does not
Good candidate: your face has lost support rather than gone loose. Flattening of the cheekbone, a jawline that has softened, hollowing at the temple. You want something that lasts and you are not in a rush for the final result.
Think harder: you have had filler once and are still deciding whether you like having a different face. Start with something reversible, live with it for a year, then commit. I will often suggest this even though it means a shorter-lasting treatment and another appointment.
Probably not: significant loose skin as the main problem, a specific event in the next month, a history of nodules, or you want it in your lips. Also, honestly, if you want something you can change your mind about next week.
What the day is actually like
Less dramatic than you are imagining.
Beforehand. Numbing cream, and sometimes a little local anaesthetic at the entry point. Skip blood-thinning supplements for a few days beforehand if you bruise easily, and tell me about everything you take.
During. The product itself contains anaesthetic, so it gets more comfortable as it goes. The first placement is the one you notice. When I am working on bone you will feel firm pressure and a dull ache, because bone is firm and it feels like it. It is not sharp. Most people are surprised by how manageable it is, and the cheekbone and jaw are considerably easier than anything near the mouth.
Where I can, I use a blunt cannula through a single entry point rather than lots of needle passes. More comfortable, and safer in the right plane.
Twenty to forty minutes, depending on how much we are doing.
Afterwards. Tender to press for a few days. Some swelling, much less than you would expect from filler. Bruising is a lottery. Most people go back to work the same day.
Do not book this the week before your daughter's wedding. Tell me the date and we will plan backwards from it.
The timeline, which is the thing to actually remember
Day one. You look different. This is the gel, plus swelling. It is not your result. It is a trailer, not the film.
Weeks two to six. The gel resorbs and some of that visible change goes. This is where I get the worried message. Nothing has failed. Your cells are busy and the work is not visible yet.
Three months. The real result. Collagen has developed and what you are looking at is largely your own tissue. This is when I photograph, review, and decide whether anything more is needed. Usually less than we originally planned.
Twelve to eighteen months. Gradual fade. If you want to maintain it, coming back at the right time often needs less product than the first round, because you are adding to a foundation rather than starting over.
Five questions worth asking before you agree
Any decent clinic will answer all five without getting defensive.
1. Is my problem lost support, or loose skin? If the answer is loose skin, ask why CaHA is being recommended.
2. What is being used, and is it registered for use in Malaysia?
3. Can this be dissolved if I do not like it? The correct answer is no. If somebody tells you yes, they are either confused about the product or not being straight with you, and both are reasons to leave.
4. What happens if there is a complication, and do you have what you need here?
5. When will you review me? If there is no review appointment, there is no plan.
The short version
CaHA puts firm support back under your face and gets your own body to build collagen around it. It lasts twelve to eighteen months, it barely swells, and it fades gently.
It is not a facelift and it will not help genuinely loose skin.
It cannot be dissolved, so the first session should be conservative and the person holding the needle matters more than usual.
Judge the result at three months, not on day one. And if your face seems to lose some of it at week four, that is the gel leaving on schedule, not the treatment failing.
Come and find out whether it suits you
The useful question is not whether you want CaHA. It is whether what is bothering you comes from lost support, lost volume, loose skin, or some combination, because that decides everything. The product is the last decision, not the first.
Book a consultation with Dr. Kamen Ng at AOKLINIK Penang.
Frequently asked questions
Not if it is done properly and conservatively. It goes deep, under everything, so there should be nothing to see or feel. Patients usually get told they look well rather than that they look different.
Less than you think. Pressure and a dull ache rather than sharp pain. See above.
I would rather not. Foundation, review at three months, then refine. More often than not we need less than planned, and the review is where that gets discovered.
It cannot be dissolved, which is exactly why I under-treat the first time. It is far easier to add at your review than to wait out something I overdid. If you are at all unsure, let us use a reversible product first.
Wrong question. It is better at some things, mainly deep support that lasts. HA filler is better at others, mainly anywhere I want an undo button. The right answer depends on your face and which property you need most.
Usually, and the order matters. What I will not do is everything at once on a first visit, because if something needs adjusting I want to know what caused it.