https://www.callamedical.nl/en/kennis/ Honest, medical information about wrinkle treatments, written by our doctors. en-GB https://www.callamedical.nl/en/kennis/behandeling-in-de-salon-zo-blijft-het-veilig.html https://www.callamedical.nl/en/kennis/behandeling-in-de-salon-zo-blijft-het-veilig.html Tue, 14 Jul 2026 00:00:00 +0000 A wrinkle treatment at the salon you trust, or at a hotel, can be just as safe as in a clinic, provided four conditions are met. A doctor explains which. https://www.callamedical.nl/en/kennis/veilige-behandelaar-kiezen.html https://www.callamedical.nl/en/kennis/veilige-behandelaar-kiezen.html Tue, 07 Jul 2026 00:00:00 +0000 BIG register, medical records, honest prices and a consultation that feels like a conversation: what to look for when choosing a practitioner for injectables. https://www.callamedical.nl/en/kennis/hoe-een-rimpelbehandeling-werkt.html https://www.callamedical.nl/en/kennis/hoe-een-rimpelbehandeling-werkt.html Tue, 30 Jun 2026 00:00:00 +0000 Why a wrinkle treatment relaxes the muscle rather than filling the skin, how long it takes before you see an effect, and why the result fades again. https://www.callamedical.nl/en/kennis/frons-voorhoofd-kraaienpootjes.html https://www.callamedical.nl/en/kennis/frons-voorhoofd-kraaienpootjes.html Tue, 16 Jun 2026 00:00:00 +0000 The three areas treated most often, what is realistically possible in each, and why the forehead should never be treated separately from the frown lines. https://www.callamedical.nl/en/kennis/wanneer-we-niet-behandelen.html https://www.callamedical.nl/en/kennis/wanneer-we-niet-behandelen.html Tue, 02 Jun 2026 00:00:00 +0000 Pregnancy, certain neuromuscular conditions, medication and active skin infections are reasons not to treat. A doctor explains which, and why. https://www.callamedical.nl/en/kennis/nazorg-eerste-48-uur.html https://www.callamedical.nl/en/kennis/nazorg-eerste-48-uur.html Tue, 19 May 2026 00:00:00 +0000 What to do and avoid in the first days after a wrinkle treatment, what is normal, and when to contact your doctor. https://www.callamedical.nl/en/kennis/complicaties-herkennen.html https://www.callamedical.nl/en/kennis/complicaties-herkennen.html Tue, 05 May 2026 00:00:00 +0000 Which unwanted effects can occur after a wrinkle treatment, how often they happen, how long they last and what a doctor can do about them. https://www.callamedical.nl/en/kennis/jouw-rechten-wgbo.html https://www.callamedical.nl/en/kennis/jouw-rechten-wgbo.html Tue, 21 Apr 2026 00:00:00 +0000 Duty to inform, consent, access to your medical record and the twenty-year retention period. What Dutch law arranges for a cosmetic treatment by a doctor. https://www.callamedical.nl/en/kennis/steriel-werken-op-locatie.html https://www.callamedical.nl/en/kennis/steriel-werken-op-locatie.html Tue, 07 Apr 2026 00:00:00 +0000 How to meet the same hygiene standard outside a clinic: requirements for the space, the cold chain, the sterile field, waste disposal and record keeping. https://www.callamedical.nl/en/kennis/bekwaamheid-en-bijscholing.html https://www.callamedical.nl/en/kennis/bekwaamheid-en-bijscholing.html Tue, 24 Mar 2026 00:00:00 +0000 What Dutch law says about reserved medical acts, why authorisation alone is not enough, and how competence in injectables is built and maintained. https://www.callamedical.nl/en/kennis/wat-een-salon-moet-weten.html https://www.callamedical.nl/en/kennis/wat-een-salon-moet-weten.html Tue, 10 Mar 2026 00:00:00 +0000 Practical and legal arrangements for a partnership between a salon and a medical provider: liability, space, insurance, privacy and communication to clients. https://www.callamedical.nl/en/kennis/mannen-en-rimpelbehandeling.html https://www.callamedical.nl/en/kennis/mannen-en-rimpelbehandeling.html Tue, 24 Feb 2026 00:00:00 +0000 Why men generally need a different dose and a different approach to a wrinkle treatment, and which expectations are realistic. https://www.callamedical.nl/en/kennis/wat-een-consult-oplevert.html https://www.callamedical.nl/en/kennis/wat-een-consult-oplevert.html Tue, 10 Feb 2026 00:00:00 +0000 What is discussed during a consultation of half an hour, why a good consultation can also end in not treating, and how to prepare. https://www.callamedical.nl/en/kennis/reclameregels-cosmetische-zorg.html https://www.callamedical.nl/en/kennis/reclameregels-cosmetische-zorg.html Tue, 27 Jan 2026 00:00:00 +0000 Advertising prescription medicines to the public is prohibited in the Netherlands. What that means for how clinics, doctors and salons talk about injectables.