Sistine Chapel Mural Restoration Tackles Layers of Sweaty Residue
Artnet News
by Jo Lawson-TancredMarch 2, 2026
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Vatican conservators are restoring Michelangelo’s Last Judgement in the Sistine Chapel by removing layers of sweat residue left by thousands of daily visitors. The accumulated lactic acid from evaporated sweat has formed a white film on the fresco, obscuring its vibrant colors and details. This restoration project aims to preserve the masterpiece’s original brilliance by carefully wiping away the deposits with Japanese rice paper dipped in distilled water. Sections already cleaned reveal clearer colors, particularly highlighting figures like Jesus’ hair and crucifixion wounds. The process is expected to finish by early April, ensuring the fresco retains its stunning visual impact.
The problem stems from condensation caused by high humidity and visitor sweat, worsened by climate change and rising tourism. The white film is most noticeable near the ceiling, where cooler temperatures increase condensation. To prevent future damage, conservators are implementing new filtration systems to reduce humidity and capping daily visitors at 24,000. These measures aim to protect the fresco from further deterioration while allowing art enthusiasts to appreciate Michelangelo’s work in its intended splendor.
Michelangelo’s Last Judgement, painted between 1536 and 1541, is a monumental 48 by 44 feet depiction of Christ’s second coming. The restoration highlights the challenges of preserving such iconic works in high-traffic spaces. For art lovers, this project underscores the importance of safeguarding cultural heritage from environmental and human factors. By addressing these issues, conservators ensure that future generations can continue to marvel at Michelangelo’s timeless masterpiece.
This restoration also reflects the Vatican’s commitment to maintaining its artistic treasures despite modern challenges. The Last Judgement’s vibrant colors and intricate details are not only a testament to Michelangelo’s genius but also a cultural landmark. Preserving such works is crucial for art historians, enthusiasts, and scholars who study these masterpieces for insights into history, technique, and aesthetics. This project sets an example of
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Originally published on Artnet News on 3/2/2026