Alexidine dihydrochloride is primarily used as an antimicrobial agent in various healthcare and personal care products. It is effective in controlling bacterial growth, making it a key ingredient in antiseptic mouthwashes and oral rinses, where it helps reduce plaque and prevent gingivitis. Additionally, it is utilized in contact lens cleaning solutions to disinfect lenses and eliminate harmful microorganisms. In medical settings, it serves as a disinfectant for surgical instruments and surfaces, ensuring a sterile environment. Its broad-spectrum antimicrobial properties also make it suitable for use in skin antiseptics and wound care products to prevent infections.