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Abstrak :
The How, What and Why Reference of Active Ingredients Active ingredient research advances quickly and you can't afford to miss the next active principle that could make that new product a blockbuster. This compilation of articles from Cosmetics & Toiletries magazine provides a look at the cutting-edge of active ingredient and testing methodology research. Biologically Active Ingredients explains what is known about specific active ingredients used by formulating chemists from the manufacturing industry and even explains how a certain type of mechanism or the efficacy of an active ingredient is measured. This compilation is a must-have for chemists in the development labs of both the manufacturing industry and the supplier industry!

Abstrak :
This book deals exclusively with the former form of treatment. Prof. Howard Maibach and co-workers are to be congratulated for sharing all their dermatological insights with the readers of Cosmetics & Toiletries Magazine for at least a decade or so. We should accepts these lessons in dermatology with thanks and use them in our strive for ever better products. After all, our goal is to avoid creating a product that might lead to problematic skin. To assess whether we were successful in these endeavors, cosmetic product developers often unknowingly use dermatological techniques to demonstrate the safety of their products. Because of the nature of our industry, we need to develop our cosmetic products faster and faster, so it is more than fantastic that Prof. Howard Maibach and colleagues share their latest insights with us in a series of very effective reviews. I just hope that we will all have the time to read and digest the content of this book for the benefit of all, dermatologists, cosmetic product developers and consumers. After all, we all want only the same: better cosmetic products. Reading this book is the very first step to achieving it. --Prof. Johann W. Wiechers, Ph.D.Independent Consultant for Cosmetic Science, JW Solutions This volume collects 48 columns published under the heading "A dermatological view" in Cosmetics & toiletries magazine. The articles are arranged according to normal skin, damaged skin, and troubled skin, but are a mix of physiology-based, evaluation-based, results-driven, and therapy-based literature reviews. Maibach (U. of California, San Francisco) describes ethnic variations in skin properties, wound healing models, methods to quantify the protein collected by tape stripping, sensitive skin syndrome, fragrance allergen patch testing, keratolytic treatments for acne, and challenges to sunscreen efficacy. --Eithne O'Leyne, Annotation © Book News Inc., Portland