Dr Cosima Medispa
Dr Cosima Karlburger
BA, BMedSc, MBBS (UNSW), Cosmetic Physician
For booking or treatment enquiries please send an email or visit our website.
Dr Cosima leads our doctor-led laser clinic and medical skin clinic in Bondi Junction, providing RF skin tightening, laser skin treatments and advanced facial treatments for patients across Sydney’s Eastern Suburbs.
18/09/2026
My relationship with skin technology has changed enormously over the years.
When I first started in cosmetic medicine, I didn’t have nearly the same interest in skin that I do now.
Then I reached a point where I thought, okay, there has to be more we can look at here.
Collagen.
Skin quality.
Firmness.
Texture.
What’s happening beneath the surface.
That curiosity is what pushed me further into technology, and it’s still what drives a lot of the decisions I make in clinic now.
Ultraformer MPT is one of those technologies.
It gives us another option to consider when focused ultrasound is appropriate for someone’s skin, anatomy and treatment goals.
Not everyone needs the same thing.
That’s what keeps this work interesting.
To book a consultation at Dr Cosima Medispa, call (02) 9362 1728 or click this link: https://drcosima.com.au/book-an-appointment
17/09/2026
Naturally, one of the first things people have been asking me is what has actually changed with Ultraformer MPT.
Quite a bit.
MPT is the newer generation of the Ultraformer technology we’ve been using in clinic.
The ultrasound energy can be delivered more efficiently and precisely, treatment sessions are faster, and the experience is more comfortable compared with our previous Ultraformer technology.
What hasn’t changed is how we decide to use it.
I’m not interested in using a technology simply because it’s new.
We look at your skin, anatomy and what you’d actually like to address. Then we decide where the technology may fit.
That part will always matter more to me than having the newest machine in the room.
To discuss whether Ultraformer MPT may be appropriate for you, call (02) 9362 1728.
15/09/2026
A little while ago, we told you that the next generation of one of our favourite technologies was coming.
Now it’s here.
Ultraformer MPT has officially arrived at Dr Cosima Medispa.
After years of working with Ultraformer III, I was really interested to see what the upgraded generation could bring to the clinic.
MPT still uses focused ultrasound energy, with treatment customised according to the area being treated, your skin and your individual assessment.
What has changed is the technology itself.
The newer generation allows us to deliver energy more efficiently and with greater precision.
Treatment times are also faster, and the overall experience is more comfortable compared with our previous Ultraformer technology.
For me, that is where the excitement is.
New technology is only valuable when it adds something meaningful to the way we treat.
The approach remains the same.
We still look at your skin, structure, firmness and treatment goals first. Then we decide whether this technology has a place in your plan.
Ultraformer MPT is now available in clinic, and we’ll be sharing much more about it over the coming weeks.
Interested in whether Ultraformer MPT may be suitable for you?
Call (02) 9362 1728 or click this link to book an appointment: https://drcosima.com.au/book-an-appointment
11/09/2026
We love treatments that work with the skin and fit easily into real life.
This patient completed four PRX-Plus treatments, one week apart.
PRX-Plus is a topical biostimulation treatment that is massaged directly onto the skin. No needles. No peeling. No significant downtime.
At Dr Cosima Medispa, we use PRX-Plus to support skin firmness, tone and texture, particularly for patients who want their skin to look fresher and healthier while still looking like themselves.
Each session with us also includes LED light therapy.
We always look at the skin as a whole and choose treatments that make sense for you. PRX-Plus can be used on its own or incorporated into a broader, personalised treatment plan.
Want to know whether PRX-Plus could be suitable for your skin?
Book a consultation with us in Bondi Junction, call (02) 9362 1728 or click this link: https://drcosima.com.au/book-an-appointment
08/09/2026
Meet Natalie 🤍
There are some people who naturally make you feel looked after from the moment you meet them.
Natalie is one of those people.
She joins us as our Receptionist and PA after more than 15 years working in healthcare, bringing with her a wealth of experience in patient care and a Certificate III in Dental Assisting.
For me, the experience you have at Dr Cosima Medispa starts well before you sit down in the treatment room.
It’s the person who answers your call. The familiar face who welcomes you when you arrive. The little details that make you feel comfortable, remembered and genuinely cared for.
Natalie fits into that philosophy so beautifully.
She has always had a passion for beauty and self-care, so moving into aesthetics felt like a very natural progression. She’s also incredibly eager to learn, which you all know is something I LOVE.
Outside the clinic, you’ll probably find her planning her next trip, exploring a new city or spending time with her Labradoodle, Chuck 🐶
We’re so excited to have her with us.
Welcome to the team, Natalie 🤍
Please say hello when you’re next in the clinic.
02/09/2026
We’ve always loved what technology can allow us to do with skin, and Ultraformer III has been part of our clinic for a long time. 🤍
So we thought we’d answer some of the things we’re asked most often.
Who may be suitable?
How long does treatment take?
What is the downtime like?
How long can the effects last?
Everyone’s skin is different, which is why we look at your skin, structure and individual goals before deciding whether a particular technology may be appropriate for you.
Swipe through for a little more on Ultraformer III.
We’re particularly excited to be sharing this now because something new is coming to the clinic very soon.
An upgraded generation of this technology is on its way, and we genuinely cannot wait to show you more.
Stay tuned 🤍
31/08/2026
A new chapter in one of our favourite technologies is coming to Dr Cosima Medispa.
For years, Ultraformer III has been part of our approach to non-surgical skin tightening and contouring.
Using focused ultrasound energy, treatments can be customised across different areas of the face, neck and body, depending on your individual assessment and treatment goals.
What we love most is being able to take a considered approach to skin ageing. Looking at structure, firmness and the changes happening beneath the surface, then deciding what technology may be appropriate for you.
And now, we’re getting ready for what comes next.
We are SO excited to introduce the upgraded generation of this technology to the clinic, and we’ll be showing you much more very soon. 🤍
New technology. More possibilities. The same personalised approach to your skin.
Stay tuned for the reveal.
28/08/2026
Some appointments feel different on a Saturday.
Saturdays at our Bondi Junction clinic are with Nurse Anika, part of our clinical team working alongside Dr Cosima on patient care.
Anika sees patients for consultations and treatments across the week. Saturday appointments offer greater flexibility for patients with busy weekday schedules.
If mid-week appointments have never quite worked for you, this might be the one that does.
Want to know more about Saturday appointments with Anika? Send us a message or call (02) 9362 1728.
24/08/2026
Still thinking about where to start with your skin?
If you've been meaning to book a Comprehensive Skin Consultation, this is your reminder that it's still here for you, along with $300 towards your first eligible skin treatment following your consultation.
Appointments are available across the week with Dr Cosima and the clinical team, including Saturdays with Nurse Anika for those who prefer a weekend visit.
Understanding your skin is the first step. Everything else follows from there.
*Terms and conditions apply.
The $300 contribution may be redeemed towards one eligible skin treatment following your first Comprehensive Skin Consultation.
It excludes the initial consultation, treatments requiring prescription items, Rejuran, Ultraformer, products and retail items.
The full $300 contribution must be redeemed in a single visit. It cannot be exchanged, returned, replaced or redeemed for cash, and cannot be combined with other gift cards or offers.
The $300 contribution expires on 24 December 2026.
All treatments are subject to consultation, clinical suitability and practitioner assessment.
The clinic reserves the right not to provide a treatment where it is not considered clinically appropriate.
21/08/2026
I've always been a little obsessed with technology.
Not because something is new, but because I'm constantly asking whether there's a better way to support the skin and give my patients more considered options.
Over the years, that curiosity has led me to research technologies from around the world and be very selective about what I bring into the clinic.
And I've been researching again...
Something new is on its way to Dr Cosima Medispa.
It's an exciting upgrade for the clinic, and I genuinely can't wait to share more with you very soon.
Watch this space 🤍
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Address
Suite 101, Level 1/332-342 Oxford Street
Bondi Junction, NSW
2022
Opening Hours
| Tuesday | 10am - 5pm |
| Wednesday | 10am - 5pm |
| Thursday | 10am - 5pm |
| Friday | 10am - 5pm |
| Saturday | 10am - 3pm |