Kartikasari, D. S., Riyanto, P., Widayati, R. I., Budiastuti, A., Malik, D. A., Muslimin and Hardian (2023) “The The effectiveness of topical cysteamine in treating melasma: A systematic review and meta-analysis”, Journal of Pakistan Association of Dermatologists, 33(4), pp. 1469–1484. Available at: https://www.jpad.com.pk/index.php/jpad/article/view/2317 (Accessed: 26February2026).