Han, George, April W Armstrong, Seemal R Desai, and Eric Guenin. “Novel Tretinoin 0.05% Lotion for the Once-Daily Treatment of Moderate-to-Severe Acne Vulgaris in an Asian Population”. SKIN The Journal of Cutaneous Medicine 3 (November 9, 2019): S5. Accessed May 26, 2022. https://jofskin.org/index.php/skin/article/view/732.