Journal of Cosmetic Science The Official Journal of the Society of Cosmetic Chemists Volume 71 No. 2 | March/April 2020 ORIGINAL ARTICLES Antiaging Potential of Fucoxanthin Concentrate Derived from Phaeodactylum tricornutum So Young Kang, Huiji Kang, Ji Eun Lee, Chan Song Jo, Chang Bae Moon, Jaehyoun Ha, Jae Sung Hwang, Jongkeun Choi | pp. 53 Synthesis of 5-Aminolevulinic Acid-Based ALACELL Possessing Inhibitory Eff ect against Cutibacterium acnes: Whitening Eff ect and Protective Eff ect of UVB-Irradiated Damage Cells Hyun-Young Kim, Su-Jung Kim, Hwa-Jung Choi, Soon-Ho Yim | pp. 65 Safety/Effi cacy of New Topical Silicone Formulation with Selective Growth Factors for Treating Striae Distensae Robin Kikuchi, Andrea R. Waldman, Erik M. Wolfswinkel, Vadim Pletzer, Brandon D. Kalasho, Christopher I. Zoumalan | pp. 77 REVIEW ARTICLE Penetration of Surfactants into Skin Limeng Liu | pp. 91

ABOUT SCC: Founded in 1945, the SCC is the oldest and largest 501(c)3 membership organization serving the cosmetics and personal care industry. Dedicated to the advancement of cosmetic science, SCC headquarters provides unparalleled education, resources and networking for nearly 6,000 members globally and via 19 chapters across Greater North America. Visit www.scconline.org for more information. MEMBERSHIP MEMBER BENEFITS INCLUDE: z Complimentary digital subscription to the Journal of Cosmetic Science, featuring the latest advances in cosmetic science (including access to issues dating back to 1947). z Discounted and/or free registration for continuing Education (webinars, lectures, hands-on lab instruction, and more) providing access to cosmetic science information for all experience levels. To keep your professional edge in this dynamic, growing industry, JOIN US TODAY! WWW.SCCONLINE.ORG/MEMBERSHIP With the Society of Cosmetic Chemists, the oldest & largest professional association focused on providing the best cosmetic science education, you join a fantastic network of formulators, marketers, suppliers, academics and regulators. noun: Joining a global community of nearly 6,000 cosmetics and personal care industry professionals, just like you! ޖPHPEԥUޙ6+LS z Opportunities to participate in a wide range of education and networking events at 19 affiliated Chapters across Greater North America. z Discounted registration to the Annual Meeting, the premiere event in the cosmetics and personal care community with two full days of education on the latest industry innovations and research. AND SO MUCH MORE!