Yulita HARTIADI L, Anania Triavika SAHAMASTUTI A. Protective effect of Caesalpinia sappan L. extract against H2O2-induced oxidative stress on HaCaT and its formulation as antioxidant cream. J.Res.Pharm. 2020; 24(4): 508-517. http://dx.doi.org/10.35333/jrp.2020.199