What are the advantages and disadvantages of using lactic acid?

Lactic acid has several advantages, including its effectiveness as a natural preservative in food, its role in skincare products due to its exfoliating properties, and its use in the production of biodegradable plastics. However, disadvantages include its potential to cause skin irritation for sensitive individuals and its production of an unpleasant odor when used in certain applications. Additionally, excessive accumulation in the body can lead to lactic acidosis, a condition that can be harmful.