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Microspheres related to minerals found in bone.
Volume
Radiesse
Calcium hydroxylapatite gel that fills now and stimulates collagen — diluted, it also firms the neck.
At a glance
- Time
- About 20–30 min
- Numbing
- Topical cream
- Discomfort
- 2 / 5
- Downtime
- Swelling/bruising a few days
- Lasts
- About a year (varies)
- Interval
- Set at consultation
Discomfort is rated after numbing (out of 5). Time, downtime and longevity vary with the treated area and the individual.
Also known as: calcium hydroxylapatite filler, CaHA
Radiesse by Merz contains calcium hydroxylapatite (CaHA) microspheres in a gel. The gel gives immediate volume; as it absorbs, the microspheres stimulate collagen. Used as is for structure, or diluted to firm the neck and jawline skin. It cannot be dissolved like HA.
Medically reviewed by IM JUNHYUNG, M.D. · Updated
How it works
How it works
Gel fills right away.
Stimulated as the gel absorbs.
Diluted for skin firmness on neck and jaw.
Our principles
How we do it at Taut
You’ll know your doctor before treatment, and the doctor who treats you signs the record.
Shots, units or volumes are recorded before treatment and checked with you after.
Seals and lot numbers are checked with you before opening.
Who it’s for
Is it right for you?
Good fit if you have
- Blurred jawline, hollow under cheekbones
- Narrow-looking temples
- Neck and jaw skin laxity
- Previous volume experience
Not suitable if
- Pregnancy or breastfeeding
- Lips or under-eyes (not used)
- Infection in the area
- Keloid tendency or autoimmune disease (consultation needed)
Details
Procedure details
- Onset
- Immediate + months
- Lasts
- About a year (varies)
- Reversible
- No
On the day
How the visit flows
- 01AssessWe check the cause and your schedule.
- 02PlanThe plan is written on your record.
- 03TreatThe doctor named on your plan treats you.
- 04Follow upRecord handed over; next steps noted.
Doctor’s note
Radiesse is excellent for structure, but because it can’t be undone, I spend longer deciding where than how much.
Dr. IM JUNHYUNG · 任埈亨
Good to know
Aftercare & risks
- Swelling, bruising and tenderness for a few days.
- Rarely, nodules can form. It cannot be dissolved.
- Results and recovery vary by individual. All procedures carry possible side effects.
- Contact us right away if anything feels unusual after treatment.
Questions
Radiesse FAQ
How is it different from filler?
HA filler is gel only and reversible; Radiesse fills and stimulates collagen but cannot be dissolved.
For neck lines?
Diluted, for neck skin firmness — combined with other methods for deep lines.
Under the eyes?
We don’t use it under the eyes or in lips.
Ask the doctor directly.
If something isn’t right for you, we’ll say so. No same-day decision required.