Biosurfactants are natural compounds produced by microorganisms, such as bacteria and yeasts, that reduce surface tension between liquids. They are composed of hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, allowing them to interact with both water and oils. This unique property makes biosurfactants useful in various applications, including bioremediation, where they help break down pollutants. These eco-friendly substances are increasingly favored over synthetic surfactants due to their biodegradability and lower toxicity. Biosurfactants can be found in products like detergents, cosmetics, and food additives, contributing to cleaner and safer alternatives in many industries.