Honest answers to the questions we hear most often. Every article is reviewed by our BIG-registered doctor.
Anti-wrinkle injections with a muscle relaxant in Rotterdam usually cost €99–150 for one area, €175–250 for two areas and €200–350 for three areas in 2026. The price mainly depends on the number of areas, who performs the treatment, the product used and whether a consultation and follow-up are included. Because the effect lasts 3 to 4 months on average, it also makes sense to look at the cost per year.
Hyaluronic acid lip fillers last 6 to 12 months for most people. After a first treatment the effect often fades a little faster than after a repeat treatment. Exactly how long it lasts depends on the product, the amount, your metabolism and how much your lips move.
Anti-wrinkle injections soften lines by making certain facial muscles contract less for a while; fillers add volume or support the skin with a gel, usually made of hyaluronic acid. Anti-wrinkle injections mainly work on expression lines in the upper face, fillers on volume loss, for example in the lips, cheeks and tear troughs. A muscle relaxant lasts 3 to 4 months on average, a filler usually 6 to 18 months.
A safe clinic can be recognised by a practitioner with a valid BIG registration (which you can check at bigregister.nl), registered medicines and CE-marked fillers, a consultation before treatment, and clear aftercare and a complaints procedure. In the Netherlands, only a doctor may prescribe a muscle relaxant. Injecting is a reserved medical procedure: doctors may do it independently, nurses only on a doctor’s instruction.
The difference between 0.5 ml vs 1 ml lip filler is mainly the amount of volume: 0.5 ml usually gives a subtle result with more definition and hydration, while 1 ml gives a clearly fuller lip. For a first treatment, 0.5 ml is enough for most people. If you want more volume, you can build up step by step after a few weeks.
After anti-wrinkle injections with a muscle relaxant, commonly known as ‘botox’, the usual advice is to avoid intensive exercise for 24 hours and to stay upright for the first 4 hours. A gentle walk is usually fine on the same day. Your doctor's personal aftercare advice always takes priority over these general guidelines.
Russian lips is an injection technique using the same type of filler as a normal lip filler, but with a different aim: the lips mainly become taller and lifted, rather than fuller and more projected. Many small, vertical injections at the lip border create a pronounced heart shape. With a normal lip filler, the focus is on volume, projection and a natural outline.
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