Anwar, A., Wahab, S., Anwar, A.A., Widjaja, N., Azhari, T., Utomo, T., Wih, W.L. and Wijaya, J.K. 2024. The effectiveness of 1% cysteamine, 3% tranexamic acid, 2% galactomyces ferment filtrate and 4% niacinamide application using double layering technique as a brightening agent: Chromameter and Janus-III analysis. Journal of Pakistan Association of Dermatologists. 34, 1 (May 2024), 92–97.