Dr Eithne Brenner

Dr Eithne Brenner Expert in Aesthetic Medicine, Dublin. Medical doctor for 36 years. Helping you look and feel your best. Subtle, natural results. [email protected]
(1)

11/06/2026

Hi. Here are some medical treatments that I might consider for my wonky and asymmetrical, but very happy 60 year old face. 🥴
As time passes, we start to get lines that form at rest, and also when we move, and the depressor muscles pull down the corner of the mouth, and then the neck pull down gets stronger. And we can end up looking a bit grumpy or a bit sad when we feel fine; what we call the resting bi€ch face, and here is mine.
I don’t do these treatments all the time, but occasionally, I will have treatments to just soften some of those expression lines.
You must see a medical doctor or dentist for a face-to-face assessment in Ireland to see if you’re suitable for it. My brows are asymmetrical as is my forehead, and so I have a different dose on either side to just soften those a little bit. I have some Wi Fi or rainbow lines. They can be treated but just extremely cautiously and light, so that the brows don’t drop, because the brows are already dropping over time, especially at the sides as we get older. Little doses around the eyes and brows can soften crow’s feet lines and open up the eyes a bit and occasionally I might have treatment to reduce bunny lines.
Sometimes I’ll have treatment to reduce the fine lines around the mouth, soften the pull down of DAO ( depressor anguli oris) at the corner of the mouth and maybe sometimes along the jawline and in the neck platysma muscles.
These are medical treatments, so you want to be as safe as possible. They are all optional. We’re not trying to freeze the face. We’re not trying to take away all expression. We’re just sometimes trying to damp down the muscles a bit that are causing a sad or angry appearance. And as always, stay safe and see a medical practitioner. Take care. Eithne

09/06/2026

Louise is having an Obagi blue peel radiance today. This has ingredients including salicylic acid and glycolic acid and lactic acid, as well as some calming ingredients.
We cleanse and degrease the skin, we protect the delicate areas with Vaseline, and then we’re going to apply up to four layers of the peel. This is really helpful to get nice radiant skin, to reduce congestion, to help turn over the cells faster, to help brighten the skin and give a glowy texture for several weeks. You can see her skin is getting quite pink, and it will be feeling tingly, and she’s going to use the fan between layers to help cool down the skin. This is a normal response to the peel. Not all peals need to be aggressive. This one will achieve great results by being consistent with a course of lighter peels rather than aggressive ones. She’s got some “pseudo-frosting” or white on the skin there, which is where the salicylic acid evaporates off the skin and that’s normal and clears when we remove the peel. We’re going to clean the skin, put on lots of calming ingredients and SPF, and Louise can expect a really nice, glowy, hydrated skin over the coming weeks. The redness will clear in a few hours. There is minimal downtime and the skin will not shed or become dry. This is safe and predictable, and can a really lovely result for a glow. All peels are personalised for each individual’s goals and skin condition. This post isn’t sponsored. Eithne

08/06/2026

Hi, something we don’t talk enough about in aesthetic medicine is perception drift.
What is it? How does it happen, and how can we prevent it?
When you have an aesthetic treatment, you look a bit more refreshed, you gain a bit of confidence, and you’re happy with the treatment.
And you might go back for another one, and then another one, and another one. And before you know it, you lose sight of where you started, and you can end up looking either overfilled or unnatural.
It happens both to the patients, it happens sometimes to the injector. And that’s when it’s really important to take a step back in each individual consultation, have plenty of time, have a look back at old photos, you want to look like yourself, and not like somebody who’s progressively changing or morphing into somebody different.
I go to aesthetic conferences, and if I’m checking into a nearby hotel, I can generally tell, as well as knowing some of the faces, but I can also tell who’s likely to be going to the conferences, versus who are regular check in guests for the hotel. Because sometimes it happens among aesthetic injectors, as well. They’re tempted to try a bit more and a bit more. Now, each person- patient or injector- can have individual preferences and look how they wish and have repeated treatments if they chose to, or want very full lips or cheeks, but you still want to be safe and careful and not look distorted. How do we avoid perception drift?
It’s really having careful consultations with your medical professional. It’s also checking with your friends and family. It’s looking back at old photos.
We don’t want to chase every line and wrinkle. We want to be really measured and careful, looking at skin quality and all the changes that are happening, and pick a subtle treatment plan. Take care. Eithne

07/06/2026

Hi, would I be a model at an aesthetic training event?
Today, I’m playing padel, and I put some ‘Sally Hanson Legs’ on my legs, because they’re blindingly white. And I thought I’d put some everywhere else 🙄🎃
Was that a good idea? No, but it’ll wash off this evening. If you’re a model at an aesthetic training event and you’re not happy with the treatment, you can’t wash it off.
I would just say exert caution, ask lots of questions beforehand. There’s a big difference between a beginner injector treating you as one of their first few patients, and a very experienced injector who’s, say, training in a procedure they’re already very familiar with, but they’re changing the product ( one brand of dermal filler vs another). So just ask lots of questions. Who’s doing the insurance? Is it the company who’s providing the device or the product? Is it the supervisor of the training, or is it the person who’s doing the treatment themselves? And what follow up care is there? Also, you have to be mindful about your images, giving permission to share them online. You might trust the person who’s treating you, but, of course, there’s going to be somebody around the world claiming that ‘before and after’ is their work. It’s happened to all of us. I think just be very cautious, ask lots of questions. I’ve been a model at some events in my 19 years in aesthetic medicine, and some of them I’ve regretted, and some of them have been okay.
I think go in with an open mind. Don’t be tempted by a bargain, reduced price treatment, really ask lots of questions, and decide if it’s safe for you to go ahead. And make sure you’ve got plenty of time to give informed consent that you’re happy to proceed. Take care. Eithne

05/06/2026

Hi. Let’s chat about Sculptra and Juläine. What are the similarities and what are the differences?
These are both collagen stimulating injectables or bio stimulators. They contain different PLLA ( poly L lactic acid) particles that we mix and inject under the skin.
Both can be used on the face or neck or body, and both gradually build collagen and improve the strength and thickness of the skin and the texture and appearance of the skin.
Both need at least two treatments, and results should last two years or more. Both have really good safety data, and neither of these products contain filler.
Sculptra has been around for longer. It was approved in Europe in 1999, and in the U.S. in 2004. I’ve used Sculptra since 2009. We would generally pre hydrate for a few days beforehand. We do the treatment, and we advise the person to massage for five minutes, five times a day, for five days (5-5-5 regime).
I’ve used Juläine since last year, and one of the things I like about this is I can mix it and use it straight away. I do massage for a few minutes, and then there’s no home massage needed. One thing I like about this, also, is I can use it around the eye area or the mouth area.
I’ve personally found Juläine easier to work with during treatment sessions. In my hands, the product flow and consistency have been very smooth and predictable.
The most important thing, if you’re thinking about either treatment, is see a really experienced medical practitioner who’s got a good knowledge of anatomy and is going to use the right product for the right person, who’s going to inject it at the right depth and give you appropriate aftercare.
I offer both depending on the individual person, any prior use of PLLA and their goals and budget.
Different products suit different practitioners and different patients. Treatment planning is never one-size-fits-all.

What matters most isn’t just the product — it’s patient selection, dilution, placement technique, and understanding facial anatomy.
Stay safe and see a medical practitioner, take care, Eithne

03/06/2026

Hi. Why does precision placement really matter for achieving a good lip flip result on one side and a not so good result on the other side?

A lip flip is where tiny doses of medication are used to reduce the pursing action of the lips and relax the top lip about a millimetre or two. And it can help prevent and treat fine lines.
If the placement is really precise along the Vermilion border, you can get a subtle result without affecting the function of the lips. But if it’s placed above the lip or if it’s too deep, or if it’s placed in the lip itself, it can affect the function of the lip muscles for a couple of months. And that could be difficulty sipping from a straw or whistling, difficulty using words like pa, and ba, and difficulty sealing the mouth and maybe drooling liquids if you’re drinking. So we don’t want to affect the function of the muscle. The treatment should be pain free with the use of an ice pack, with minuscule needles, and with super strong numbing cream. You do need a face to face consultation with a medical doctor or dentist in Ireland to assess you for suitability. There are a couple of people that are not suitable for this treatment, and one is professional musicians, because they rely on that absolute precision of the seal of their mouth. It’s not suitable for anybody who whistles if they’re a dog handler, and it’s not suitable for people who have very extensive lines, because it’s not going to give good results. So, always stay safe as possible and see a medical practitioner for safety.
Take care. Eithne

01/06/2026

Hi, let’s chat about another treatment in aesthetic medicine that makes me nervous, and this one is called plasma pen.
Just because something is non surgical and doesn’t involve incision, it doesn’t mean it’s risk free. Always be careful and see a medical practitioner. Ask about their qualifications, their experience, how long they’ve been doing a certain procedure. How do they recognise, and how do they manage complications, and what aftercare is provided?
Plasma pen is a little device that causes controlled little injuries ( burns) in the skin, and the idea behind it is that the surrounding skin tightens up. Now, in very experienced hands, you might get a little bit of improvement in skin texture. But my concern is they have risks of infection, scarring, and hypo pigmentation (loss of pigmentation, especially in people with very fair skin) or the opposite, hyper pigmentation (overpigmentation) in people with darker skin colours.
So you’ve got to be really cautious with this. Personally, I would avoid it. I would never have this treatment on my face/body.
There are lots of other safer procedures to help improve the skin texture that don’t create heat and don’t have that risk of pigment changes. Always be as safe as you can. With these type of procedures, the vast majority are carried out in non medical settings, and that would make me nervous. You only get one face and one body. So take as much care as you can, and stay safe. Take care. Eithne

31/05/2026

Hi from Buddy and myself.
We’ve just had a long walk into Tramore, so he’s tired. 🤗
Let’s chat about exosomes, because they’re everywhere in aesthetic medicine at the moment.
These are little particles or vesicles that transmit information from one cell to another and help them communicate. They are purported to help with skin hydration, with repair mechanisms, and with anti ageing. There’s three ways they can be sourced, one is plant source, one is animal sourced from cow’s milk, and one is human sourced.
They have three sort of uses. One is applied topically as a cream onto intact skin. The second is to micro needle it in, or apply it after laser treatments, where you have created holes or channels in the skin barrier, and the third is by injection. Now, injection is currently not licensed by the US, Ireland, the UK, or many other countries. And so I just wouldn’t consider that.
There’s some very mild, limited evidence when you apply it in a cream, you might get some benefit in hydration.
The micro needling concerns me more because you’re introducing a biologically active substance into the dermis where there are immune cells, blood vessels, and lymph vessels. So, for me, I’m not currently using exosomes in any form until I see a lot more robust, good clinical evidence, and decent, large studies.
So, my take is, yes, they’re promising, there just isn’t very huge evidence at the moment, so I’m going to sit tight, stay safe and watch this space. These are my personal views and other clinicians may have different opinions. I’ve been a doctor for 37 years and I’m cautious. Take care. Eithne

29/05/2026

Today, I’m going to have a lovely relaxing HydraFacial treatment with Angelika.
I’ve asked her to focus on hydration, antioxidants and to do some boosters around my eye area and lips. The treatment can be customised for each person.
She’s doing some gentle cleansing and lymph drainage. There’ll be a gentle peel, there’ll be some focused extractions of pores, lots of infusion of active ingredients, and then some LED treatment.
My skin’s quite reactive and this redness is normal for me, but it’s completely painless and it feels great to get a nice skin treatment and some glow and hydration. Skin quality is so important for me, so this helps, along with some subtle injectable treatments.
Angelika is going to do some eye serum for me, putting in lots of antioxidants, and that felt really nice. And then we’re going to do a lip exfoliation and a revitalising serum, and that just felt lovely. Then she’s going to pop me under the LED to help calm the redness and boost collagen. And then by the next day, my skin is really glowing and hydrated- happy days!
Thanks Angelika! Eithne
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28/05/2026

Hi, when do I say no to treatment requests in the clinic?
The priority is safety. I’ve been a doctor for 37 years, and I have to protect somebody’s health and look at the long term outcomes rather than just a quick sale or a quick treatment that I think might not be suitable.
So we’ve got to look at medical history. We’ve got to look at certain medical conditions that make treatments sometimes not viable. And also, if I think the risks outweigh the benefits, I’ll give that information. There are treatments that I believe are risky that I don’t perform myself.
And the other is expectations. I always want to be on the same page with somebody to explain what I can deliver, and what my treatments can’t deliver. And I don’t want somebody being disappointed and spending money on treatments that won’t fulfil their expectations. So we have those clear conversations before we consider treatment.
We don’t follow trends ( like very sharp jawlines or angles in women/ overfilled lips/“Russian lips” distorted lip filler, large filler volumes in the buttocks, untested injectable peptides,etc, etc).
We want harmony and safety and facial proportions. And so if somebody comes in to me, say, for example, with a very small chin and very large lips, and they want more in their lips, then that’s not going to be a beautiful result, and I can help give advice on that.
There are treatments that I just don’t believe in, like lemon bottle fat dissolving. I’m not a fan of threads, and so I won’t offer some of those treatments.
There are also treatments that I’m not trained in, for example, blepharoplasty eyelid surgery. So if I think somebody would benefit from surgery, I’ll refer on to a colleague.
Stay as safe as you can. See a medical practitioner, and have a detailed consultation. Take care. Eithne

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