Glycolic acid (GA): A versatile small molecule in fine chemicals

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The 25th National \"Safety Production Month\" in 2026: Everyone talks about safety, and everyone knows how to handle emergencies; identifying and addressing potential risks and hazards. -------------------------------------------------- Glycolic acid (GA) is the α-hydroxy acid with the lowest molecular weight, having the molecular formula C₂H₄O₃. It appears as colorless crystals at room temperature, and it is available in the form of a 70% aqueous solution. There are two methods for its production: chemical synthesis and biological fermentation. It is primarily used in industries such as industrial cleaning, new materials, pharmaceuticals, and cosmetics. It serves as a key monomer for modifying biodegradable materials, as well as an important raw material for high-end skincare products and industrial cleaning agents. It is a category that has seen steady growth in demand within the field of fine chemicals in recent years. I. Product Overview: Glycolic acid has excellent water solubility and is relatively acidic; it can be completely biodegraded in both aerobic and anaerobic environments. The raw materials include formaldehyde, carbon monoxide, hydrocyanic acid, chloroacetic acid, as well as biomass materials such as glucose and glycerin. The products are classified into three categories based on purity: industrial grade, medical aesthetic grade, and electronic grade. In downstream applications, industrial cleaning is the largest application area, and it is widely used in photovoltaic silicon wafers, LCD panels, metal degreasing, etc ； The next area is that of biodegradable materials, which are used to synthesize copolymers such as PLGA and PGA ； It can also be used in pharmaceutical excipients and high-end skincare products. Production technology routes: Apart from the traditional formaldehyde-cyanide method, the hydrolysis of chloroacetic acid is also the dominant industrial process for glycolic acid in China; these two methods account for the majority of the industry’s production capacity. In addition, there are methods such as CO carbonylation, biological fermentation, and electrochemical reduction, with significant differences in maturity and environmental friendliness. The formaldehyde-cyanide method has a long history of industrial use and accounts for a large share of production capacity, but its raw materials are highly toxic and it poses significant environmental challenges ； The hydrolysis method using chloroacetic acid is widely adopted by domestic enterprises, featuring a high level of process maturity and strong cost control capabilities ； The biological fermentation method offers a green approach by utilizing biomass as raw material; it is currently in the pilot stage and represents an important direction for the future development of this industry. Domestic glycolic acid manufacturers, represented by Taixing Waterfall, Hebei Chengxin, and Xinji Taida, possess stable production capacity and market share in the industrial-grade product sector ； Some companies are simultaneously developing high-purity and pharmaceutical-grade products, gradually expanding into the high-end market. In addition, COFCO Technology, Kaisai Biology, and others are focusing on biosynthesis. III. Application Areas In the field of industrial cleaning, the balanced properties of glycolic acid – its strong acidity combined with low corrosiveness – make it an environmentally friendly additive for the thinning of photovoltaic silicon wafers and for cleaning panels. It can effectively replace some traditional strong-acid cleaners, reducing equipment wear and environmental risks; this makes it a key requirement in the current industry. In the field of biodegradable materials, glycolic acid is a key component for controlling degradation properties. It can be copolymerized with monomers such as lactic acid and caprolactone to produce PLGA, PGA, and PCL-GA copolymers, which are widely used in medical biodegradable materials such as surgical sutures, drug-release microspheres, and tissue engineering scaffolds, to meet various requirements regarding degradation timelines. In the field of personal care, glycolic acid is a classic ingredient in fruit acid exfoliation treatments; it helps with keratin renewal, whitening, and oil control. The industry establishes different usage standards based on purity and concentration – products of cosmetic grade are used for daily skin care, while high-purity products intended for medical use are employed in professional exfoliation procedures, resulting in significant differences in their added value. IV. Current Market Supply and Demand Situation According to industry data, the domestic glycolic acid industry is characterized by a basic balance between supply and demand. In 2025, domestic production is expected to be around 24,735 tons, while demand is estimated at around 25,395 tons; thus, the gap between supply and demand is small, and the market operates steadily as a whole. The growth in industry demand comes primarily from three sectors: the industrial cleaning field, and the expansion of the photovoltaic and semiconductor industries, which drives an increase in the demand for high-purity glycolic acid ； In the field of biodegradable materials, domestic policies banning plastic use are driving an increase in demand for raw materials such as PGA and PLGA ； In the cosmetics industry, compliance requirements and rising consumer standards are driving demand for high-purity ingredients. The \"Technical Specifications for Cosmetics Safety (2022 Edition)\") specifies the allowable limits for glycolic acid, providing a standard basis for the standardized development of the industry ； The EU’s REACH regulation classifies it as a biodegradable intermediate, encouraging the development of green manufacturing processes; as a result, the industry as a whole is moving toward compliance and higher standards. V. Industry Challenges and Development Trends: Process diversification – Building on established methods such as chloroacetic acid hydrolysis and formaldehyde cyanidation, efforts are ongoing to optimize green approaches like biological fermentation and electrochemical reduction in order to reduce environmental pressures ； Upgrading of products: Growing demand for high-purity, electronic-grade, and medical-grade products is driving companies to focus on products with higher added value ； Diversified applications: industrial cleaning, biodegradable materials, and growing demand in the cosmetics sector are driving continuous growth, enhancing the industry’s resilience. With technological advancements and growing demand from downstream industries, glycolic acid will continue to play a key role in both industrial and consumer applications, becoming an important product in the fine chemicals sector that boasts stability and growth potential.