H-Leu-Pro-OH·HCl is widely utilized in research focused on:

• Peptide Synthesis: This compound serves as a building block in the synthesis of peptides, which are crucial in drug development and biotechnology. Its specific structure allows for the creation of peptides with desired biological activities.
• Pharmaceutical Research: It is used in the formulation of pharmaceuticals, particularly in developing drugs that target specific receptors in the body, enhancing therapeutic efficacy.
• Protein Engineering: Researchers employ this compound to modify proteins, improving their stability and functionality, which is essential in creating more effective therapeutic proteins.
• Biochemical Studies: H-Leu-Pro-OH·HCl is valuable in studying enzyme activity and protein interactions, helping scientists understand biological processes and disease mechanisms.
• Cosmetic Applications: Its properties are leveraged in cosmetic formulations to enhance skin health, as it can contribute to the development of products that promote skin hydration and repair.