BONISER

Biotersus is an Italian professional product line dedicated to the conservation and restoration of stone surfaces. Developed by Boniser Az. Agricola Srl, part of Active Group, the brand combines plant-based active ingredients with a scientific approach to address biological patinas while helping preserve treated surfaces over time. Its formulations are designed for professional use and are presented as an alternative that contains no ammonium salts and is developed with attention to environmental criteria.

The range includes a ready-to-use gel that is quick to apply and rinse, as well as a concentrated product for dilution, which can be used with or without a supporting agent. Biotersus products have been used on stone and cast surfaces in settings including the Vatican Gardens, Villa Medici in Rome, and sites in Milan and Santa Maria di Galeria. The brand highlights ease of application, effective coverage, and suitability for restoration work. Biotersus describes its products as made in Italy and developed in collaboration with scientific laboratories in the sector, serving conservators and restoration professionals seeking practical solutions for stone-surface care.