Dezincification, a form of corrosion where zinc is selectively leached from bronze alloys, can severely damage sculptures over time. To combat this, several proven methods can be employed. First, selecting the right bronze alloy is crucial. Alloys with lower zinc content (below 15%) or those containing small amounts of arsenic, phosphorus, or nickel are more resistant to dezincification.

Applying protective coatings is another effective strategy. Microcrystalline wax, lacquers, or specialized corrosion inhibitors create a barrier against moisture and pollutants. Regular reapplication every 1-2 years is recommended for outdoor sculptures.

Environmental control plays a significant role. Keeping sculptures away from marine environments or industrial areas with high sulfur dioxide levels reduces corrosion risks. For indoor pieces, maintaining stable humidity levels (40-50%) helps prevent moisture-related damage.

Electrochemical protection methods, such as sacrificial anodes or impressed current systems, can be used for valuable outdoor monuments. These techniques redirect corrosion away from the sculpture itself.

Regular maintenance, including gentle cleaning with pH-neutral solutions and prompt repair of any coating damage, significantly extends a bronze sculpture's lifespan. By combining these approaches, artists and conservators can effectively prevent dezincification and preserve bronze artworks for generations.