Fuller, more youthful lips are a common desire. Whether you’re looking to restore volume lost due to aging or enhance symmetry and definition, lip fillers offer a safe and effective solution. Hyaluronic acid fillers are the most commonly used method to achieve subtle, natural-looking results without the need for surgery.
Rated with a 9.8 out of 10

Rated with a 9.8 out of 10
Hyaluronic acid-based lip fillers provide a fuller, more hydrated, and balanced appearance. The main benefits include:


Lip fillers are ideal for anyone looking to enhance the shape and volume of their lips in a subtle yet effective way. This treatment is suitable for:
During the consultation, the doctor will discuss your wishes and assess the shape and structure of your lips. Based on this, a tailored treatment plan will be created.
The lips are cleansed, and if desired, a numbing cream is applied to enhance comfort during the procedure.
Using a fine needle, the hyaluronic acid filler is carefully injected into the lips to enhance volume and contour. The procedure takes approximately 15 to 30 minutes.
You may experience mild swelling or redness, which typically subsides within a few days. The lips will feel fuller and more hydrated.
The final result becomes visible after a few days, once the swelling has gone down. The effects of hyaluronic acid fillers generally last between 6 and 12 months, depending on your metabolism and lifestyle.
David Jairath has 15+ years of experience in aesthetic procedures.
Each treatment is tailored to your situation and wishes through a personal consultation.
We meet the highest standards for sterilisation, hygiene, and safety.
Our team carefully guides you through the recovery process and answers all your questions, even after the procedure.
The doctor will assess during the consultation whether this treatment is suitable for you. Lip fillers are not recommended if you:
Lip fillers are a safe treatment, but as with any injection, side effects may occur. These are usually mild and temporary:
My name is David Jairath, a plastic surgeon with over 15 years of experience in both reconstructive and aesthetic-cosmetic procedures. After completing my medical degree, I specialized in plastic and reconstructive surgery.
Throughout my career, I have worked in both academic hospitals and private clinics. In recent years, I have focused mainly on minimally invasive and small-scale procedures aimed at improving my clients’ appearance and overall well-being. This includes scar revision, eyelid surgery, anti-wrinkle treatments, and other procedures.
At Kliniek het Bolwerk, I combine my extensive medical expertise with a personal, careful approach to guide each client. My goal is to achieve optimal results with minimal strain on the client.
My mission is to help clients enhance their well-being. Together, we determine which treatments best suit their individual needs and goals. The client is always at the heart of this process.

All reviews are verified on Zorgkaartnederland.nl.
All reviews are verified on Zorgkaartnederland.nl.
Rated with a 9.8 out of 10
General
I was very well looked after, and everything was explained to me step by step. The final result is exactly what I had hoped for, and I definitely do not regret the treatment. Recovery during the first week was quite tough, but after just one week I was already healing very well. The end result is exactly what I had envisioned for years. I am very satisfied.
3 September 2025
General
A very good experience with Kliniek Bolwerk. Friendly, professional, and a beautiful result.
26 August 2025
Fibroma removal
I am very satisfied with the treatment at Kliniek het Bolwerk in Haarlem. Dr David Jairath took all the time needed to explain everything clearly and carried out the procedure with great expertise. The treatment of my seborrhoeic wart (POK) went smoothly and without any issues. His friendly and calm manner immediately put me at ease. The communication by email, with clear instructions before and after the treatment, was also very helpful. Absolutely recommended!
18 August 2025
Scar correction
A highly skilled doctor who ensured that the scar is as minimal as possible.
15 August 2025
General
A personal, professional and very friendly approach. Clear explanations, both verbally and in writing. The procedure was carried out smoothly, with excellent aftercare.
11 August 2025
General
Clear explanation and they made me feel completely at ease.
8 August 2025
Rated with a 9.8 out of 10
The treatment is generally well tolerated. Most hyaluronic acid fillers contain lidocaine, a local anesthetic that significantly reduces discomfort during the injection. Additionally, a numbing cream can be applied beforehand to further enhance comfort. While you may feel slight pressure or a brief pinch, the majority of clients describe the experience as mildly uncomfortable rather than painful. If you’re anxious about the sensation, the doctor can adjust the approach to make the experience as pleasant as possible.
The amount of filler required depends on your current lip volume and the result you want to achieve. For most clients, 0.5 to 1 ml of hyaluronic acid filler is enough to create a subtle, natural-looking enhancement. The doctor will assess your lips during the consultation and advise you on the appropriate amount. It’s always possible to build up gradually over multiple sessions to maintain a natural balance and avoid overcorrection.
Yes, in most cases you can return to work the same day. However, it is recommended to avoid intense physical activity, pressure on the lips, and high-heat environments (like saunas or steam rooms) for the first 24 hours. This helps to minimize swelling, bruising, and the risk of filler displacement. It’s also wise to avoid kissing, touching the lips unnecessarily, or applying makeup to the area immediately after the treatment.
The results of lip fillers typically last between 6 to 12 months, depending on various factors such as your metabolism, lifestyle, and the type of filler used. Over time, the body gradually breaks down and absorbs the hyaluronic acid. For some people, results may fade slightly faster, especially if they have a high metabolism or are very physically active. Periodic touch-ups can help maintain the desired look without needing to start from scratch each time.
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