Stein-Gold, L, DM Pariser, and E Guenin. “Tretinoin 0.05% Lotion for the Once-Daily Treatment of Moderate-to-Severe Acne Vulgaris in Females: Effect of Age on Efficacy and Tolerability”. SKIN The Journal of Cutaneous Medicine 4, no. 1 (January 28, 2020): S17. Accessed January 10, 2025. https://skin.dermsquared.com/skin/article/view/817.