One study found that a 2% concentration of a glutathione cream improved the melanin index (a measure of melanin in skin) on dark spots when used twice a day for 10 weeks
Images were captured with a CoolSNAP MYO camera (Photometrics, Tucson, AZ, USA) mounted on the microscope, and acquisition was controlled using SlideBook 5.0 software (3i Intelligent Imaging Innovations, Denver, CO, USA), which managed time-lapse acquisition, z-stack scanning, and camera triggering
Implementing a Global Ethics Charter to Protect US Healthy Volunteers
10.3390/ijerph191610429 260
While quercetins ability to target both biochemical pathways and immune responses positions it as a potentially safer and more comprehensive alternative to conventional treatments, it is important to note that current evidence largely stems from preclinical studies and smaller clinical trials