Shukla RK, Malik R, Upadhyay R, Punyani S. Efficacy evaluation of a topical formulation containing green tea and willow bark extract for acne and post-acne mark reduction in Indian subjects: a double-blind clinical study. Int J Res Dermatol [Internet]. 2026 Oct. 23 [cited 2026 Oct. 24];12(6):626-32. Available from: https://www.ijord.com/index.php/ijord/article/view/2340