Metal corrosion control is crucial for technical, financial, environmental, and aesthetic reasons. The positive role of metal or compounds in preventing corrosion of materials in diverse condition and materials is briefly discussed. The hunt for green corrosion inhibitors, which are biodegradable and free from harmful substances, was sparked by the environmental toxicity of organic corrosion inhibitors. The most prevalent green inhibitors are made from natural or biological sources, such as amino acids, microorganisms, biopolymers, and plant extracts and oils. Nanoparticles as corrosion inhibitors have received a lot of interest recently due to their wide variety of industrial uses and financial advantages. Although they show great promise, nanoparticles do not always live up to their promise of offering more environmentally friendly methods of preventing corrosion. Plant extracts have gained importance as an easily available, renewable, and environmentally acceptable source for a variety of inhibitors. This review aims to provide insights into the mechanisms by which green corrosion inhibitors act, their applicability in many industries and their compatibility with contemporary materials through a thorough investigation of the most recent research and development in the field. Additionally, it sheds light on the benefits and drawbacks of using green inhibitors while also highlighting their potential to completely alter the field of corrosion protection. The various types of corrosion and prevention and recent research on the use of green corrosion inhibitors for metal and metal alloys are covered in this study.

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