Yohanes Firmansyah, Dr, Mh, Mm

This study tests three gels for mild-to-moderate acne: a standard antibiotic-retinoid combo, the same plus a steroid, and a new gel made from stem-cell secretions. 189 people aged 15-40 will use one of the gels for 8 weeks. Researchers will count pimples, check skin quality, and …

This study is testing if adding a cell-derived substance called 'secretome' to standard light therapy works better for treating vitiligo. Researchers will compare two ways of delivering the secretome—using tiny needles or injections—against light therapy alone. The goal is to see…