Physical chemistry evaluation of stability, spreadability, in vitro antioxidant, and photo-protective capacities of topical formulations containing Calendula officinalis L. leaf extract . Braz. J. Pharm. Sci. [Internet]. 2015 Mar. 1 [cited 2024 May 10];51(1):63-75. Available from: https://revistas.usp.br/bjps/article/view/100493