Studio Redivivus

Studio Redivivus High-grade materials, reversible techniques, long-term care and clear documentation are at the heart of our philosophy.

Redivivus Studio | Leading European Art Conservation & Restoration
We specialize in Old, Modern & Contemporary Art-offering museum-quality painting conservation, art restoration & technical analysis for collectors, galleries & museums internationally. Founded in 1991, Redivivus has been restoring easel paintings to the highest standards, employing a small team of highly skilled and qualified paint

ing conservators. Treatments retain the authenticity of the artworks, while making them safe for display in a wide variety of settings.

We are internationally recognized for our expertise in conservation of modern and contemporary art, as well as in the conservation of old masters. We pride ourselves on being a lively, approachable and responsive team, able to accept large commissions at short notice. Clients receive a consultation by appointment where the state of conservation of the artwork and possible treatments are discussed openly before quotations are given. You are assured of expert attention and confidentiality.

Not every restoration is about what you see at first glance. Sometimes, the most important work happens beneath the surf...
16/02/2026

Not every restoration is about what you see at first glance. Sometimes, the most important work happens beneath the surface.

In this post, we’re sharing a canvas repair through a case study. Slide by slide, you’ll see how we carefully addressed each issue to ensure its preservation for the future.

1. Canvas repair: before any aesthetical treatment, we need to stabilize the canvas.
2. Here we can see what the loss looked like before treatment from the front of the canvas. With the help of X-ray imaging, we discovered that the damaged area had been heavily overfilled.
3. From the back, the old patch covering the loss becomes visible. You can also see how excessive the previous fill was.
4. Using controlled moisture, we carefully removed the old patch.
5. Next, we removed all the previous filling material (from both the front and back), corrected deformations, and consolidated any lifting paint to prevent further loss.
6. Once the area was clean and stable, we inserted a new piece of canvas to replace the missing section. This particular loss affected the lining canvas (not the original). We carefully interwove original threads with new ones to integrate the insert.
7. We then reattached paint flakes that were loose and we had separated to protect them during the insert adhesion. Finally, we added a second insert corresponding to the original canvas, which also performs as a patch for the previous repair.
8. After filling and retouching, you can see the before and after; a stable, secure artwork ready to continue its life.

2026 has officially started and we’ve been busy.With  coming up next March, we’ve been working steadily towards it.These...
29/01/2026

2026 has officially started and we’ve been busy.
With coming up next March, we’ve been working steadily towards it.
These past weeks have also coincided with International Conservators Day (January 27), so a slightly belated happy International Conservators Day to all the incredible professionals behind the scenes.

Here are a few snapshots from this past month.

By the way… can you guess which artist the anagram in the first image belongs to?
Check our stories to find out 😉

31/12/2025

Best wishes for the coming year from the team at Redivivus

At Studio Redivivus we use Polarized Light Microscopy (PLM) technique to examine pigments, fibers, and other particles a...
12/11/2025

At Studio Redivivus we use Polarized Light Microscopy (PLM) technique to examine pigments, fibers, and other particles at high magnification.

A tiny sample - often invisible to the naked eye - is mounted on a glass slide and analyzed under transmitted polarized light using two polarizing filters.

By observing how materials interact with light, conservators can study physical and optical characteristics.

PLM is particularly valuable for the identification of pigments and textile fibers, helping us determine material composition.

While highly sensitive and powerful, PLM relies on expert visual analysis and comparison with reference standards. It remains an essential tool for investigating the microstructure of materials.

Stay tuned for the next post in our series, where we’ll explore another powerful imaging technique used in conservation!

To request an analysis or a report, contact: [email protected].

To perform effective conservation and restoration, it is crucial to understand how a painting was constructed - includin...
06/11/2025

To perform effective conservation and restoration, it is crucial to understand how a painting was constructed - including its layers, materials, how these age and have degraded over time, and any accidental damage that has occurred.

Technical studies can support many goals: improved understanding for treatment decisions, assessment and documentation of condition, as well as aiding in the authentication process.

At Redivivus, we employ a variety of instruments to explore, analyze and document an object’s condition. These are digitally captured using a wide range of macro and micro technical investigation equipment. The artwork’s components, structure, materials, and history are investigated to find the optimum solution for treatment and aim for the best possible result.

If you want to know more about Technical Imaging that we offer at Studio Redivivus check out our new Technical Imaging Brochure which is linked in our BIO and website.

Studio Redivivus specializes in the conservation and restoration of fine art collections. For expert treatment, consultation, collection care advice, or to request an analysis or report, get in touch at [email protected].

We love looking at the front of paintings, but when it comes to preservation, the reverse is often just as important. On...
16/10/2025

We love looking at the front of paintings, but when it comes to preservation, the reverse is often just as important.

One effective way to protect a canvas is by fitting a backing board. Made from conservation-grade materials and acid-free card, these clever inserts can significantly reduce the effects of environmental fluctuations and act as barriers against dust and pollutants, which can lead to mould growth and discolouration.

Backing boards also help minimise the risk of vibration, offering protection from daily disturbances and impacts during transit.

Together with careful handling, proper packing and a stable environment, backing boards are a small investment with big returns. A simple but powerful measure for safeguarding a painting’s condition and long-term value.

What could hydrogel face masks and molecular gastronomy possibly have to do with the cleaning of paintings? In conservat...
07/10/2025

What could hydrogel face masks and molecular gastronomy possibly have to do with the cleaning of paintings? In conservation, breakthroughs often emerge by adapting advanced materials and techniques from other industries—transforming scientific innovation into refined tools for preserving cultural heritage.

For recent projects, we’ve been exploring the use of XKA gel, an innovative material developed by Matthew Cushman inspired by hydrocolloids used in the food industry. This hydrogel is a blend of xanthan gum, konjac, and agar-agar — forming a transparent, semi-rigid and flexible gel that adapts perfectly to the surface of a painting.

Why is it exciting?
- Can be applied on its own or infused with tailored cleaning solutions
- Releases moisture in a slow, controlled way (safer than traditional swabs)
- Lifts surface dirt efficiently without leaving residues
- Particularly effective for unvarnished paintings
- Safe for both conservators and the environment

In short: gentle, precise, and safe cleaning, tailored to the unique needs of each artwork.

At Redivivus, we are committed to using the most advanced methods available — so your collection can be preserved with the greatest care.

Studio Redivivus specializes in the conservation and restoration of fine art collections. If you’re looking for expert treatment or consultation on collection care, contact us at [email protected]

NEW: Elemental Mapping with ELIO XRF at Studio RedivivusWe’re excited to announce a major upgrade to our technical inves...
02/10/2025

NEW: Elemental Mapping with ELIO XRF at Studio Redivivus
We’re excited to announce a major upgrade to our technical investigation capabilities:

Our studio now offers analysis with the ELIO Portable MA-XRF Spectrometer — a state-of-the-art tool for non-invasive, high-resolution elemental mapping.

ELIO XRF operates on the same principle as traditional XRF, but instead of analyzing a single point, it generates an elemental map of a larger area. This allows us to obtain detailed information across the surface and even from deeper layers of an artwork. The analysis can be carried out directly on-site, without the need to move or physically touch fragile objects. This makes it possible to study and preserve artworks more safely, efficiently, and with greater precision.

🔍 What can ELIO reveal?
✔️ Hidden layers and underdrawings
✔️ Insights for authentication and provenance research
✔️ Faded pigments and elemental composition
✔️ Restoration histories
✔️ Material documentation for conservation planning

Stay tuned for the next post in our series, where we’ll explore another powerful imaging technique used in conservation!

Available for museums, private collections, conservators, and institutions on request.

📧To request an analysis or a report, contact: [email protected].

📊📈📉

In conservation, we often use retouching media to reintegrate losses in a way that respects the original artwork while m...
17/09/2025

In conservation, we often use retouching media to reintegrate losses in a way that respects the original artwork while making it visually coherent for the viewer. For us, retouching should be a balance between science, aesthetics, and ethics.

The choice of retouching materials is crucial, we aim at using reversible, stable, and compatible materials. These principles join previously acquired research on the painting’s current condition.

From traditional watercolors and varnish paints to modern synthetic resins, each medium offers its own strengths. The conservator’s task is to choose the one that achieves the right balance between visual integration and long-term preservation.

Redivivus uses advanced technical imaging techniques to assess the condition of the artwork and better understand the artist’s intentions by analyzing the brushwork, materials used, as well as preparatory techniques such as underdrawing, imprimatura and/or pentimenti. In many cases we also collaborate with expert art historians to ensure best practice in decision-making during the retouching process.

Studio Redivivus specializes in the conservation and restoration of fine art collections. If you’re looking for expert treatment or consultation on collection care, contact us at [email protected]

Infrared Reflectography (IRR): Seeing Beyond the SurfaceInfrared Reflectography is one of the powerful diagnostic tools ...
28/05/2025

Infrared Reflectography (IRR): Seeing Beyond the Surface

Infrared Reflectography is one of the powerful diagnostic tools we use to explore what lies beneath a painting’s visible surface. Using our high-resolution Apollo camera, we capture how infrared light interacts with the layered structure of a painting how it is transmitted, absorbed, and reflected.

This non-invasive imaging technique is a cornerstone of modern conservation diagnostics. It enables us to:

• Trace the artist’s working process and decision-making
• Detect alterations or past restorations
• Inform treatment strategies with greater precision and confidence

IRR is ofien associated with revealing underdrawings. Carbon-based materials, such as charcoal or graphite commonly used in preparatory sketches—absorb infrared radiation and appesr dark in the resulting image, while many other pigments become partially transparent. This allows us to visualize what the naked eye cannot see: underdrawings, compositional changes (pentimenti), hidden signatures, or even earlier iterations of a painting beneath the final layer.

But that’s not all IRR can also reveal information about paint layer thickness, areas of abrasion, and other features that help guide conservation strategies.

Whether for conservators, curators, or researchers, IRR offers essential knowledge that contributes to both the preservation and interpretation of artworks.

Stay tuned for the next post in our series, where we’ll explore another powerful imaging technique used in conservation!

Science

FacingIn emergency situations-when a painting is in an unstable state or has actively flaking paint-immediate full treat...
20/05/2025

Facing

In emergency situations-when a painting is in an unstable state or has actively flaking paint-immediate full treatment may not be possible. In such cases, a temporary measure called facing is applied to protect the surface until consolidation can take place. However, this is not a universal method and cannot be applied to all types of paintings.

At Redivivus, we use Japanese paper for this technique. The paper is gently adhered to the surface using a reversible adhesive, acting as a protective barrier that holds paint fragments in place. This prevents further loss during transport or handling.

Facing is an effective first step in selected cases where vulnerable artworks require emergency stabilization.

More on our conservation methods at www.redivivus.nl

Technique

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The Hague
2491BJ

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