Indolicidin TFA is widely used in biomedical research due to its potent antimicrobial properties. It is effective against a broad range of pathogens, including bacteria, fungi, and enveloped viruses, making it a valuable tool in studying host defense mechanisms. Its ability to disrupt microbial membranes without significant hemolysis allows for exploration in developing new antibiotic therapies, especially against drug-resistant strains. It is also utilized in cancer research, showing selective toxicity toward certain tumor cells. In addition, Indolicidin TFA serves as a template for designing synthetic peptides with enhanced stability and activity. Its role in immune modulation is being investigated for potential use in anti-inflammatory and wound-healing applications.