Applications of nanotechnology in various spheres have increased manifold as it offers solution to unsolved problems with higher effectiveness. Nanoemulsions are one such system that are widely studied and have a very promising potential in solving various issues as those encountered in delivery of drugs, pesticides or any other biologically potent substance. Apart from this, nanoemulsions have wide applications in the field of food, cosmetics, skincare and agriculture. In this review, we have discussed and compared the methods of nanoemulsion preparation and various methods of synthesis, along with few major applications in various fields of science and technology. We sincerely hope that this review will help to understand the different aspects of nanoemulsions and help us to explore its potent applications in various fields.

纳米技术在各个领域的应用增加了多样性，因为它以更高的效率为未解决的问题提供了解决方案。纳米乳剂是一种被广泛研究的系统，在解决各种问题方面具有非常有前景的潜力，例如在药物、杀虫剂或任何其他生物有效物质的输送中遇到的问题。除此之外，纳米乳液在食品、化妆品、护肤和农业领域有着广泛的应用。在这篇综述中，我们讨论和比较了纳米乳剂的制备方法和各种合成方法，以及在各个科学技术领域的几个主要应用。我们真诚地希望这篇综述有助于了解纳米乳液的不同方面，并帮助我们探索其在各个领域的有效应用。