The COSRX Clear Fit Master Patch is a dermatological product designed to treat acne lesions through the use of various active ingredients. The main active ingredient in this patch is hydrocolloid, a material known for its ability to absorb excess fluid from wounds and create a moist environment that promotes healing. The hydrocolloid material in the patch works by drawing out pus and other impurities from acne lesions, helping to flatten the blemish and reduce inflammation. This mechanism of action is supported by empirical studies demonstrating the efficacy of hydrocolloid dressings in wound healing and acne treatment. In addition to hydrocolloid, the COSRX Clear Fit Master Patch also contains other ingredients such as tea tree oil, which has been shown to possess antimicrobial properties that can help control the growth of acne-causing bacteria. Tea tree oil also has anti-inflammatory effects, which can further help reduce redness and swelling associated with acne lesions. Furthermore, the patch is designed to create a barrier between the acne lesion and external contaminants, helping to prevent further infection and allowing the active ingredients to work more effectively. This barrier also helps to protect the lesion from friction or irritation, which can exacerbate acne symptoms. Overall, the COSRX Clear Fit Master Patch provides a scientifically-supported approach to treating acne lesions by utilizing a combination of hydrocolloid and tea tree oil to absorb excess fluid, reduce inflammation, and create an optimal environment for healing.