Vol . 70 No . 5 September/October 2019 JOURNAL OF COSMETIC SCIENCE The Official Journal of the Society of Cosmetic Chemists Contents Page ORIGINAL ARTICLES Titanium Dioxide and Zinc Oxide Nanoparticles in Sunscreens: A Review of Toxicological Data Maja Vujovic and Emilija Kostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Comparative Assessment of Biological Activities of Mistletoes for Cosmetic Applications: Viscum Album Var. Coloratum (Kom.) Ohwi and Loranthus Tanakae Franch. & Sav. Sung-Up Choi, Sung Tae Kim, Dong Gyun Han, Young-Ha Hwang, Koo Yeon Lee, Dong Uk Kim, Kwan Hyung Cho, Sang Yeob Park, Hee-Cheol Kim, Seong-Bo Kim, and Dong-Jin Jang . . . . . . . . . . . . . . . . 235 In Vitro Penetration of Petrolatum in Stratum Corneum from Bodywash Formulation Apipa Wanasathop, Zhanquan Shi, Q. Ching Stella, Karl S. Wei, Peter B. Styczynski, Chuiying Li, and S. Kevin Li . . . . . . . . . . . . . . . . . . 247 Does Salt and Mineral Content of Dead Sea Mud Affect Its Irritation Potential: A Laser Doppler Flowmetry Study Saja Hamed, Abdel-Majeed Almalty, Hatim S. Alkhatib, Nabil N. Al-Hashimi, and Duha Hamed. . . . . . . . . . . . . . . . . . . . . . . . 259