Lactic acid or glycolic acid are of great use in various fields. It is widely used and is described here.

In the field of medicine, lactic acid or glycolic acid can be used as a sustained-release drug carrier. The two have good biocompatibility and degradability. The drug is attached to the carrier and can be slowly released at a set rate. The drug effect is long-lasting and stable, and it is greatly helpful for the treatment of diseases.

In terms of materials, lactic acid or glycolic acid can be used as a raw material to make biodegradable plastics. Such plastics can gradually decompose in the natural environment, avoiding the environmental pollution caused by traditional plastics, and have broad application prospects in many industries such as packaging and agricultural mulch.

In the field of daily chemicals, lactic acid or glycolic acid is often used as an ingredient in skin care products. Because of its gentle exfoliation and moisturizing effects, it can make the skin smooth and delicate, improve skin quality, and is favored by many skin care products.

In the food industry, lactic acid or glycolic acid can be used as a food sour agent and preservative. Enhance food flavor, inhibit microbial growth, prolong food shelf life, and ensure food safety.

To sum up, lactic acid or glycolic acid has extremely high application value in the pharmaceutical, materials, daily chemical, food and other industries due to its unique properties, and is an important driving force for the development of many industries.