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Key summary: Whether Radiesse works for vertical neck lines is decided less by the product than by what caused the lines. If bands formed by the muscle at the front of the neck are the main cause, Radiesse alone may not change much; if thinning, loosened skin plays the bigger part, using Radiesse to firm up the base of the neck skin can help. That is why the first step is to look at the neck both at rest and under tension and work out how much each cause contributes.

Some people notice two vertical lines rising at the front of the neck when they tilt the head back slightly or clench their back teeth. Because the lines are less visible at rest and become sharp while talking or straining, many people only notice their vertical neck lines after seeing themselves in a photo or video.

Searching for answers, you will often come across the name Radiesse. It is natural to wonder whether Radiesse, which you may know as an injectable for the face, can also work on neck lines. The answer depends on why the vertical neck lines formed, so let us go through the causes in order.

Neck lines differ by direction. Horizontal creases and vertical lines start from different places, and vertical neck lines are known to be closely tied to the broad, thin muscle that covers the front of the neck.

This muscle contracts every time you speak, make an expression or clench your teeth. With age, its edges rise into band-like ridges, and those bands show on the surface as vertical lines. When we are young, the skin and the fat beneath it cushion and hide the bands, but as that cushion thins, the muscle edges become easier to see through the skin.

The second axis is change in the skin itself. Neck skin is thinner than facial skin and has fewer sebaceous glands, so as elasticity drops, the movement of the muscle underneath shows through more easily. It also matters that many people care for the face consistently while putting off care for the neck.

Daily habits play a part too. Long hours looking down at a phone or monitor with the head bent can help lines settle into the neck. In the end, vertical neck lines often appear where two axes overlap: bands formed by the muscle, and skin that has become thin and loose.

Many people think of neck lines as purely a skin issue, but with vertical neck lines the muscle often plays a larger role than expected. So when examining vertical neck lines, we always observe the neck separately at rest and under tension.

If the vertical lines become sharp only under tension and nearly vanish at rest, we consider the muscle the larger factor. If the lines remain even when relaxed, or fine crinkly lines are visible, we judge the skin to be the larger factor. In practice many people have a mix of both, so estimating the ratio between them is where treatment planning begins.

Radiesse is an injectable made of very small particles of calcium hydroxylapatite suspended in a gel. Once in the skin, it is known to support collagen production, and in thin-skinned areas such as the neck it is sometimes diluted and spread evenly over a wide area.

If thinning, loosened skin is the main cause of vertical neck lines, using Radiesse to firm up the base of the neck skin can help. People who still have fine lines at rest, or whose neck skin has thinned overall, tend to fall into this group.

Rather than filling a single line the way a filler does, Radiesse is closer to reinforcing the foundation of the whole neck skin. For that reason, the change is usually felt gradually over time rather than all at once.

If muscle bands are at the center of the vertical neck lines, it may be hard to expect a large change from Radiesse alone, because Radiesse is not an injection that controls muscle movement.

In that case it may be better to consider botulinum toxin injections, which address muscle movement, alongside or before Radiesse. When muscle and skin causes are mixed, approaching each cause separately tends to give a more natural result than placing every expectation on one treatment.

If you have read Radiesse reviews saying it did not work, it is worth considering that the cause and the method may have been mismatched rather than the product itself. At O.N Clinic we do not lead with a particular product in vertical neck line consultations; we first check whether muscle or skin weighs more, and add Radiesse to the plan only when it is needed.

Because neck skin is thin, the injection depth and amount of Radiesse need to be set more conservatively than on the face. Pushing the volume can leave lumps you can feel or cause nodules, so in the neck we plan on the side of restraint.

To sum up, the answer to whether Radiesse works for vertical neck lines is that it depends on the cause. When thinning, loosened skin is central, Radiesse can help; when the muscle is central, it is reasonable to consider other treatment directions as well. Knowing where your neck lines come from should come before choosing a product name.

My neck looks fine at rest, but vertical lines show when I talk

Vertical lines that stand out only under tension often come from muscle movement. In that case, methods that address muscle movement may be worth reviewing before Radiesse, which fills out the skin.

Won't neck lines improve if I use a cream consistently?

Moisturizer and sunscreen can help maintain the condition of neck skin. However, vertical neck lines formed by muscle bands or by skin that has already thinned are often hard to change with topical care alone.

Can neck injections leave the skin lumpy?

Because neck skin is thin, an injection depth or amount that does not fit can leave lumps you can feel or cause nodules. That is why it matters whether skin thickness is checked first and the treatment is done conservatively.

O.N Clinic is near Gangnam Station, so it is fairly easy to reach by subway.

If you are considering Radiesse for vertical neck lines, bringing one photo of your neck at rest and one under tension can help us separate the causes. If you have any questions, feel free to chat with us now.

Author: Dr. Oh Seung-min (Chief Director of O.N Clinic, graduate of Seoul National University College of Medicine, Chair of the Scientific Committee of the Korean Society for Laser, Skin and Hair). See the full profile on the medical team page. First published 2026-11-05, last reviewed 2026-11-10

This article is for general information only, and the appropriate treatment and outcome may differ depending on each person's condition.