Triacetyl-β-cyclodextrin is widely used in the pharmaceutical industry as a solubilizing agent to enhance the bioavailability of poorly water-soluble drugs. It forms inclusion complexes with hydrophobic drug molecules, improving their solubility and stability in aqueous solutions. This makes it particularly valuable in the formulation of oral and injectable medications, where it helps to increase drug absorption and efficacy.

In the food industry, it is employed as a flavor stabilizer and encapsulating agent. It can trap volatile flavor compounds, protecting them from degradation and evaporation, thereby extending the shelf life and maintaining the taste profile of food products. Additionally, it is used to mask unpleasant odors or tastes in certain food ingredients.

In cosmetics, triacetyl-β-cyclodextrin is utilized to improve the delivery of active ingredients in skincare products. It enhances the penetration of hydrophobic compounds into the skin, increasing the effectiveness of creams, lotions, and serums. Its ability to stabilize sensitive ingredients also makes it a valuable component in formulations requiring long-term stability.

Furthermore, it finds applications in environmental science, where it is used to trap and remove organic pollutants from water or soil, aiding in environmental remediation efforts. Its unique structure allows it to selectively bind and isolate harmful substances, making it a useful tool in pollution control.