SHUKLA, R. K.; 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. International Journal of Research in Dermatology, [S. l.], v. 12, n. 6, p. 626–632, 2026. DOI: 10.18203/issn.2455-4529.IntJResDermatol20263741. Disponível em: https://www.ijord.com/index.php/ijord/article/view/2340. Acesso em: 24 oct. 2026.