<p>Copper artifacts undergo corrosion over time due to natural aging and can lead to loss of esthetic value and reduced lifespan. To protect them several coatings are used without altering their originality and appearance. However, the efficacy of the coating is influenced by the type of environment, such as coastal, outdoor or indoor museums and hence their suitability need to be assessed for better selection. In the present paper, the effectiveness of microcrystalline wax coating on the corrosion protection of copper was studied in 3.5% NaCl solution and simulated atmosphere. The coating was applied following the procedure traditionally adopted by Indian conservators in order to evaluate the effectiveness of the existing coating application method. The microcrystalline wax-coated copper in simulated environment showed good protection with a lower corrosion rate, higher impedance, high pore resistance, and high charge transfer resistance than the uncoated copper. In contrast, a poor corrosion protection of the microcrystalline wax was observed in 3.5% NaCl environment lower than the uncoated copper. Analysis of the electrochemical corrosion test revealed formation of cuprite, malachite, and paratacamite, with the latter being particularly detrimental due to its role in accelerating corrosion due to the ingress of chlorine ions. The present study findings suggest that microcrystalline wax is effective for protection of copper artifacts displayed in indoor galleries or non-coastal outdoor environments, but unsuitable in coastal regions.</p>