Hyperdilute Radiesse® in Hale, Altrincham & Cheshire
Doctor-led collagen stimulation for crepey, thinning and lax skin on the neck, décolletage, hands, abdomen and above the knees.
There are areas of the body where we can look after our skin carefully for years and still notice a change. The neck becomes crepey. The décolletage develops fine lines. The backs of the hands begin to look thinner and more depleted. Skin above the knees loosens, and changes after pregnancy, weight loss or simply ageing become more noticeable across the abdomen.
These are not necessarily areas that need filler. Very often, what has changed is the quality and structural support of the skin itself, and that is a different problem requiring a different solution.
This is where Hyperdilute Radiesse® can be genuinely useful. Radiesse® is an injectable treatment containing calcium hydroxylapatite, or CaHA. When it is diluted, the emphasis shifts away from creating volume and towards biostimulation, encouraging the skin to produce and reorganise its own structural components, including collagen and elastin.
The aim is not to make an area look filled. It is to help the skin gradually become firmer, smoother, more resilient and better supported from within.
At my doctor-led clinic in Hale, I use Hyperdilute Radiesse® for carefully selected patients concerned about skin quality on the neck, décolletage, backs of the hands, abdomen and above the knees. Every consultation, treatment and review is performed personally by me, Dr Caroline Warden, NHS GP and aesthetic doctor.
In this article
- Hyperdilute Radiesse at a glance
- An important note on licensed use
- What exactly is Hyperdilute Radiesse?
- How does it work?
- What can it improve?
- Where on the body can it be used?
- What the clinical evidence actually shows
- How many treatments will I need?
- How much does it cost?
- Neck and décolletage skincare protocol
- When will I see results, and how long do they last?
- What to expect on the day and afterwards
- Does it add volume?
- How it compares to Profhilo, Sculptra and microneedling
- Is it safe?
- Who is it best for, and who is it not for?
- Why choose Dr Caroline Warden
- Frequently asked questions
- References
An Important Note on Licensed Use
I want to be clear about this early, because it matters and because not every clinic will tell you.
Radiesse® is licensed in the UK for specific indications. Its use in a hyperdiluted form, and its use across several of the body areas described on this page, falls outside those standard licensed indications. This is a common and well-established practice in aesthetic medicine, it is supported by a growing published evidence base, and it is entirely lawful for a qualified doctor to do. It is not, however, something you should discover after your treatment.
Where this applies to you, I will explain it clearly as part of your consultation and it will form part of your written consent. If you would prefer a treatment used strictly within its licence, I will tell you what your alternatives are.
What Exactly Is Hyperdilute Radiesse®?
Radiesse® is made from microscopic particles of calcium hydroxylapatite suspended within a gel carrier. Calcium hydroxylapatite has been used in medicine for many years and has a well-established role as an injectable biostimulatory material.
Standard Radiesse® provides structural support and contour in areas of the face. Hyperdilute Radiesse is different. By diluting the product, we substantially reduce its immediate volumising effect and allow it to spread across a much wider area of tissue. Rather than trying to reshape the treated area, the goal becomes regeneration and skin quality improvement.
Research into CaHA demonstrates effects on components of the extracellular matrix, including collagen and elastin, which helps explain why the skin can gradually become firmer and better supported following treatment.
How Does Hyperdilute Radiesse Work?
Skin ageing is a great deal more complicated than simply developing wrinkles. Over time we see changes across four connected areas.
Hyperdilute calcium hydroxylapatite acts as a biostimulatory scaffold within the tissue. As the carrier gel is gradually absorbed, the CaHA microspheres interact with surrounding tissue and fibroblasts, stimulating remodelling of the extracellular matrix. The particles themselves are eventually metabolised and broken down.
What we are interested in clinically is not the product. It is the new tissue response it leaves behind.
This is why Hyperdilute Radiesse is fundamentally different from simply placing more volume beneath loose skin.
What Can Hyperdilute Radiesse Improve?
I mainly use this treatment where the problem is early to moderate deterioration in skin quality, rather than significant excess skin. It may help improve crepey skin, mild skin laxity, reduced firmness, fine lines and wrinkling, thinning or fragile-looking skin, reduced elasticity, and general age-related deterioration in skin quality.
The results are deliberately gradual. You should not expect to leave the clinic with dramatically tighter skin. Improvement develops as the tissue remodels over the following weeks and months.
Where Can Hyperdilute Radiesse Be Used?
One of the reasons I particularly like this treatment is that it allows us to address areas of the body that have historically been difficult to improve without surgery or energy-based devices.
Hyperdilute Radiesse for the Neck
The neck is one of my favourite areas to treat, and one of the most common concerns raised by patients travelling to the clinic from Hale, Altrincham, Bowdon and Wilmslow. The skin here is relatively thin and readily develops crepiness, horizontal lines and early laxity, particularly through the perimenopausal and menopausal years.
The published evidence is encouraging. In a small uncontrolled study of 22 women receiving two hyperdilute CaHA treatments 45 days apart, 82% improved by at least one grade for neck laxity and 86% improved for horizontal neck lines. Mean dermal thickness increased by approximately 15% at day 120, 91% were judged aesthetically improved, and 82% reported high satisfaction. A separate study also found significant improvement in neck laxity following hyperdilute CaHA treatment.
It is important to understand the limits. Hyperdilute Radiesse can improve skin quality and mild laxity. It cannot remove significant loose skin or reproduce the result of a surgical neck lift.
Hyperdilute Radiesse for the Décolletage
The décolletage receives years of sunlight and, in most people, a fraction of the skincare the face receives. Over time we commonly see fine vertical and horizontal lines, crepey texture, thinning skin, photoageing and reduced elasticity.
This is the area where the evidence for diluted Radiesse is strongest. In a prospective, multicentre, evaluator-blinded, randomised study, 73.5% of patients achieved at least a one-point improvement on the décolleté wrinkles at rest scale sixteen weeks after their final treatment, with a favourable safety profile maintained across a 52-week observation period. Earlier prospective research also demonstrated significant improvements in both resting and dynamic décolletage wrinkles, with improvement still measurable at twelve months, and a further controlled study was published in the Aesthetic Surgery Journal in 2026.
For the right patient this is a genuinely interesting option, because we are treating the quality of the skin rather than simply filling individual chest lines.
Hyperdilute Radiesse for the Backs of the Hands
Our hands often reveal ageing earlier than our faces. The skin becomes thinner and less resilient, and veins, tendons and underlying structures become more visible.
CaHA has one of the stronger evidence bases for injectable hand rejuvenation, and this is the one body area where its use is closest to the licensed indication. In a randomised, blinded, multicentre trial of 114 patients allocated three to one against untreated controls, 98% of treated subjects reported aesthetic improvement at three months and 86% still reported improvement at twelve months. A 2024 retrospective study also reported high levels of improvement following diluted Radiesse treatment to the hands.
My approach to the hands is deliberately conservative. The aim is for them to look healthier and less depleted, not obviously treated.
Hyperdilute Radiesse for the Abdomen
Skin quality across the abdomen can change significantly following pregnancy, weight loss, hormonal changes, weight fluctuation and ageing. Hyperdilute CaHA may be considered where there is mild crepiness or laxity without a large amount of excess skin. Published clinical literature supports the use of diluted CaHA for improving skin laxity of the abdomen and upper arms, although this evidence base is smaller than that available for facial indications.
This distinction matters enormously. If you have substantial loose abdominal skin following pregnancy or major weight loss, no injectable can recreate the result of an abdominoplasty, and I will tell you so.
Hyperdilute Radiesse Above the Knees
The skin directly above the knees is a surprisingly common concern and one that very few treatments address well. With age, weight loss and changes in collagen, this area can become thin, wrinkled or crepey.
A small clinical pilot study specifically investigated 1:4 hyperdilute CaHA above the knees and found significant improvement in measures of laxity and cellulite appearance at three months. All patients in the study reported satisfaction, although temporary swelling, bruising and skin irregularity were reported and the study was small and uncontrolled.
We are improving the skin. We are not surgically removing excess tissue.
What the Clinical Evidence Actually Shows
The evidence is not equally strong for every body area, and I think it is important to say that plainly rather than present all five areas as though they carry the same weight of proof.
How Many Hyperdilute Radiesse Treatments Will I Need?
For most patients I recommend an initial course of two treatments, approximately six to eight weeks apart. For more established crepiness or laxity, a third treatment may occasionally be appropriate.
Once the initial course is complete, I usually consider one maintenance treatment per year. There is no rigid schedule that suits everyone. Your age, skin quality, treatment area, degree of laxity and response to the initial course all influence how much treatment is appropriate.
I would always rather reassess the skin than automatically inject another syringe because a certain number of months has passed.
How Much Does Hyperdilute Radiesse Cost in Hale?
Treatment is priced at £450 per syringe or treatment area. As a guide:
The exact quantity required is assessed individually before treatment, and a consultation fee of £75 applies for new patients, redeemable against treatment on the day. You can also see the full clinic price list.
Neck and Décolletage: The Combined Skincare Protocol
Injectable treatment is only one part of improving skin quality. For the neck and décolletage in particular, I consider targeted home skincare an integral part of the treatment protocol rather than an optional extra, because the injectable is working on the deeper structural layers while the skincare works on the surface.
Where the neck and décolletage are treated together, the protocol includes Obagi ELASTIderm® Neck & Décolleté Concentrate as part of the treatment plan, provided at your first session. Where a single area is treated, the same product is available at a reduced cost alongside treatment.
I should be open with you that the clinic supplies Obagi skincare and therefore has a commercial interest in it. I recommend it because I use it and rate it, and you are entirely free to decline it or to use an equivalent product of your choosing.
When Will I See Results, and How Long Do They Last?
Hyperdilute Radiesse is not designed to give an overnight transformation. Some patients notice improvements in skin texture or firmness relatively early, but the meaningful changes occur as collagen and tissue remodelling develop. I generally advise patients to think in terms of weeks and months rather than days.
Published studies have demonstrated clinically measurable improvement at approximately three to six months. In the hands, subject-reported improvement was maintained in 86% of patients at twelve months, and in the décolletage, improvement has been demonstrated as still present at twelve months with safety followed across 52 weeks.
In practice, this is why I suggest reviewing at around six months and considering maintenance at around a year. Individual results vary, and longevity depends on your skin, your age, the area treated and how well you protect it afterwards.
What to Expect on the Day and Afterwards
The appointment takes approximately 30 to 45 minutes depending on the area. The product is prepared and diluted at the time of treatment, and Radiesse+ contains lidocaine, with additional local anaesthetic included in the dilution to improve comfort. Treatment is usually delivered with a cannula or fine needle depending on the area.
Immediately afterwards you can expect some swelling and possibly redness or small bruises. Swelling tends to be most noticeable on the hands and across larger body areas, and typically settles over several days.
For the first 24 to 48 hours I advise avoiding strenuous exercise, saunas, steam rooms, sunbeds and very hot baths, and avoiding alcohol on the day of treatment. Where I have asked you to massage the area, please follow those instructions precisely, as it matters for an even result.
Ongoing, daily SPF on the treated area is genuinely worth the effort, particularly for the décolletage and hands, which are the two areas most exposed to sunlight and most prone to losing the improvement you have paid for.
You are always welcome to contact me directly if something does not feel right after treatment.
Does Hyperdilute Radiesse Add Volume?
This is one of the most important differences between standard and hyperdilute treatment. The aim of Hyperdilute Radiesse is not to add obvious volume. Dilution reduces the product's lifting and projecting behaviour and allows it to be distributed much more diffusely across the treatment area.
The goal is better skin, not a bigger treatment area.
That is precisely why it can work well on the neck, chest, abdomen and knees, where added volume would be the last thing anybody wants.
How Hyperdilute Radiesse Compares to Other Treatments
Hyperdilute Radiesse vs Profhilo®
These are often grouped together as injectable skin treatments, but they are biologically quite different. Profhilo® is a hyaluronic acid treatment primarily associated with tissue hydration and remodelling. Hyperdilute Radiesse® contains calcium hydroxylapatite and has a stronger emphasis on collagen, elastin and extracellular matrix biostimulation.
For a patient mainly concerned with crepey skin and mild laxity, Hyperdilute Radiesse may be the more attractive option. That does not make it universally better than Profhilo. The appropriate treatment depends on what has actually changed in your skin.
Hyperdilute Radiesse vs Sculptra®
Both are collagen-stimulating treatments, but they are not interchangeable. Sculptra® contains poly-L-lactic acid and is particularly useful for gradual, more global collagen restoration and facial structural change. Hyperdilute Radiesse can be spread across a relatively broad area with the main aim of improving skin firmness, elasticity and tissue quality rather than replacing volume.
For facial volume loss I would therefore consider Sculptra or structural Radiesse. For crepey skin across the neck or body, Hyperdilute Radiesse usually makes considerably more sense.
Hyperdilute Radiesse vs Microneedling
Both stimulate tissue repair, but at very different depths. Medical microneedling is excellent for texture, pores, fine superficial lines, acne scarring and general skin remodelling. Hyperdilute Radiesse works within the deeper tissue and is more appropriate where the main issue is reduced firmness, crepiness, thinning skin or mild laxity.
Some patients benefit from both at different stages of their plan. More treatment is not automatically better, and combinations should be chosen because they address different problems, not simply because they are available.
Is Hyperdilute Radiesse Safe?
Radiesse has a long history of use in aesthetic medicine, but any injectable treatment carries risk and no responsible clinic will tell you otherwise.
This is precisely why practitioner experience, anatomical knowledge and careful patient selection matter, and why I would rather you asked me difficult questions at consultation than found the answers afterwards.
Who Is Hyperdilute Radiesse Best For?
I most commonly consider it for patients who say things such as:
"My neck suddenly looks crepey."
"The skin above my knees bothers me more than my actual knees."
"I have lost weight and the skin on my stomach looks thinner."
"My hands look much older than my face."
"I don't want filler. I just want my skin to look better."
That final sentence probably describes Hyperdilute Radiesse better than anything I could write.
Who Is It Not Suitable For?
Hyperdilute Radiesse is not a substitute for surgery. It is unlikely to be the right treatment where there is significant excess or hanging skin, severe laxity requiring surgical correction, active infection or inflammation in the treatment area, pregnancy or breastfeeding, or certain medical conditions identified during consultation.
I will also occasionally advise against treatment simply because I do not think the likely improvement justifies the cost or the procedure. That is an important part of a medical consultation, and it is one of the reasons patients come to a doctor-led clinic.
Why I Choose Hyperdilute Radiesse®
What interested me in Hyperdilute Radiesse was not simply that it was another injectable. It was that there is a credible biological rationale and a growing clinical evidence base for using CaHA to improve skin quality beyond the face: randomised controlled data supporting hand rejuvenation, randomised evaluator-blinded data for décolletage wrinkles, neck studies demonstrating improvement in laxity, lines and dermal thickness, and published work investigating the abdomen, upper arms and skin above the knees.
The evidence is not equally strong for every area, and I have set out above where it is stronger and where it is thinner. But overall it gives us a well-reasoned option for something patients increasingly ask me about:
How can we improve ageing skin without simply adding more filler?
Why Choose Dr Caroline Warden for Hyperdilute Radiesse in Hale?
I am a practising NHS GP and aesthetic doctor, and every consultation, injectable treatment and review at the clinic is performed personally by me. There is no rotating team and no delegation.
My approach is deliberately conservative. Before recommending Hyperdilute Radiesse I assess your skin quality, degree of laxity, underlying anatomy, previous treatments, medical history and what improvement is realistically achievable.
Sometimes Hyperdilute Radiesse is a very good option. Sometimes skincare, microneedling, another collagen-stimulating treatment or no treatment at all makes more sense. The point of the consultation is to work that out first.
My boutique clinic is based in Hale Village, minutes from Altrincham, and welcomes patients from Bowdon, Hale Barns, Wilmslow, Knutsford, Sale, Timperley, Stockport, Didsbury, Manchester and across Cheshire.
Frequently Asked Questions
Is Hyperdilute Radiesse a filler?
Radiesse can be used as a structural injectable, but when hyperdiluted the goal is different. Dilution reduces its immediate volumising effect and allows it to be used predominantly as a biostimulator to improve tissue quality.
Does Hyperdilute Radiesse tighten skin?
Clinical studies have demonstrated improvements in measures of skin laxity, firmness and wrinkles in selected areas. I prefer to describe this as improving skin firmness and mild laxity rather than promising a surgical tightening effect.
How long does Hyperdilute Radiesse last?
The product itself is biodegradable and is broken down within months. What persists is the collagen and tissue remodelling it stimulates. Studies have shown improvement maintained at twelve months in the hands and the décolletage. In practice, I suggest reviewing at around six months and considering maintenance at around a year.
How many sessions will I need?
Usually two treatments six to eight weeks apart. Occasionally a third session is appropriate for more established crepiness or laxity.
How often will I need maintenance?
Approximately once a year is a useful guide after the initial course, although maintenance is assessed individually rather than run to a fixed schedule.
Does the treatment hurt?
There can be some discomfort during treatment. Radiesse+ contains lidocaine and the hyperdilution process also includes local anaesthetic, which improves comfort considerably.
Will I look swollen afterwards?
Swelling can occur, particularly on the hands and larger body treatment areas. Bruising and tenderness are also possible. This is generally temporary and settles over several days.
What are the side effects of Hyperdilute Radiesse?
Common temporary effects are swelling, bruising, tenderness, redness and occasionally temporary lumpiness. Less common complications include infection, inflammatory reactions and nodules. Vascular compromise is a rare but serious complication of any injectable treatment.
Can Hyperdilute Radiesse treat loose skin after weight loss?
It may improve mild crepiness and skin laxity, but it cannot remove significant excess skin following major weight loss.
Can it be used on the abdomen after pregnancy?
In appropriately selected patients it may be considered for mild abdominal skin laxity or crepiness once pregnancy and breastfeeding have finished. Significant muscle separation or excess skin requires a different assessment and may ultimately be better addressed surgically.
Can I have Hyperdilute Radiesse on my neck?
Yes. The neck is one of the best-studied hyperdilute CaHA treatment areas and one of the areas I most commonly treat.
Can I have my neck and décolletage treated together?
Yes, and they are commonly treated together as part of the same skin quality plan. They generally require one syringe for each area.
Is Radiesse permanent?
No. CaHA microspheres are biodegradable and are gradually broken down by the body. The aim is for the collagen and tissue remodelling stimulated by treatment to persist beyond the presence of the original material.
Is Hyperdilute Radiesse used within its licence?
Not in every area described on this page. Hyperdiluted use and several of these body areas fall outside the standard licensed indications. This is discussed clearly at consultation and forms part of your written consent.
Book a Hyperdilute Radiesse Consultation in Hale
If you have begun noticing crepey, thinning or less firm skin on your neck, décolletage, hands, abdomen or above the knees, you are welcome to book a consultation to discuss whether Hyperdilute Radiesse® is appropriate for you.
Treatment starts from £450 per syringe or treatment area. Most patients require two initial sessions approximately six to eight weeks apart, followed by maintenance roughly once a year. Every consultation and treatment is carried out personally by Dr Caroline Warden, NHS GP and aesthetic doctor, at our discreet doctor-led clinic in Hale.
The aim isn't to fill ageing skin. It is to help the skin become stronger, firmer and better supported from within.
References
- Muniz M, et al. Efficacy and Tolerability of Hyperdiluted Calcium Hydroxylapatite (Radiesse) for Neck Rejuvenation: Clinical and Ultrasonographic Assessment. Clin Cosmet Investig Dermatol. 2023.
- Guida S, et al. Hyperdiluted calcium hydroxylapatite for the treatment of skin laxity of the neck. Dermatol Ther. 2021.
- Pavicic T, et al. A Prospective, Multicenter, Evaluator-Blinded, Randomized Study of Diluted Calcium Hydroxylapatite to Treat Décolleté Wrinkles. J Drugs Dermatol. 2024.
- Fabi S, Moradi A, Hill D, et al. Diluted Calcium Hydroxylapatite Carboxymethylcellulose (Radiesse) for Décolleté Wrinkles: Safety and Effectiveness in Adult Females. Aesthet Surg J. 2026.
- Prospective Clinical Trial Evaluating the Long-Term Safety and Efficacy of Calcium Hydroxylapatite for Chest Rejuvenation. J Drugs Dermatol. 2021.
- Goldman MP, et al. Calcium Hydroxylapatite Dermal Filler for Treatment of Dorsal Hand Volume Loss: Results From a 12-Month, Multicenter, Randomized, Blinded Trial. Dermatol Surg. 2018.
- Bartoletti E, et al. Optimized Calcium Hydroxylapatite Formulation and Its Injection Technique for Hand Rejuvenation: A Retrospective Study. Dermatol Pract Concept. 2024.
- Guida S, et al. Hyperdiluted calcium hydroxylapatite for skin laxity and cellulite of the skin above the knee: A pilot study. Dermatol Ther. 2020.
- Lapatina NG, Pavlenko T. Diluted Calcium Hydroxylapatite for Skin Tightening of the Upper Arms and Abdomen. J Drugs Dermatol. 2017.
Next steps
Learn more about Dr Caroline Warden Clinic
Learn more about other treatments offered
Learn more on why I introduced hyperdilute radiesse to my clinic
Written and medically reviewed by Dr Caroline Warden, MBChB, NHS GP and aesthetic doctor. GMC number 6157708. Last reviewed: August 2026.