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October 2003

Table of Contents:

Formulating Articles

Sunscreen Formulas With Multilayer Lamella Structure

Timothy Gao, PhD, Jung-Mei Tien and Yoon-Hee Choi, Croda Inc., North American Technical Center

Controlling the Spreading of Sunscreen Products

Christopher D. Vaughan, Susan M. Porter and Sherine Bichara

Safety and Efficacy of Microfine Titanium Dioxide

Rainer W. Christ, CIC GmbH

Frequency of Use of Organic UV Filters as Reported to the FDA

David C. Steinberg, Steinberg & Associates

Biotechnology and Cosmetics: Advances in Phytochemistry: Rx and non-Rx

Floyd Leaders, PhD, Botanical Enterprises Inc.

Testing Articles

Determination of the In Vitro SPF

M. Pissavini and L. Ferrero, V. Alard, U. Heinrich and H. Tronnier, D. Kockott, D. Lutz, V. Tournier, M. Zambonin, and M. Meloni