Meyer R. Rosen, Editor-in-Chief
President, Interactive Consulting Inc.
Mr. Rosen is a Chartered Chemist and Fellow of the Royal Society of Chemistry (London); a Fellow of the American Institute of Chemists and both a Nationally Certified Professional Chemist and Certified Professional Chemical Engineer. He is a member of the U.S. Society of Cosmetic Chemists (SCC) & the American Institute of Chemical Engineers. Meyer serves as an Advisor for David Smith, Executive Director of the SCC Advisory Committee. He is also Editor for U.S. & Canada and Editor-in-Chief for North and Latin America for EuroCosmetics Magazine in Germany. Mr. Rosen is Editor of the Delivery System Handbook for Personal Care and Cosmetic Products and Editor-in-Chief of Harry’s Cosmeticology, 9th Edition.

Friday, September 1, 2017

 Claims Substantiation - Gender Matters in Skin Care Testing, Dr. Nava Dayan

Gender Matters in Skin Care Testing (Brief) 
Nava Dayan, Dr. Nava Dayan LLC  09.01.17
Gender differences exist and should be acknowledged and considered in nature, in life, in our work practice and in our communication to consumers. Each study design requires customization when considering the product tested, its components, vehicle and other properties. When conducting an in vitro or in vivo study, key considerations related to gender and gender-age criteria should be weighted for safety and efficacy. Females are profoundly affected by hormonal state, therefore their hormonal state should be examined, considered and documented. It is important to understand their cycle in relation to study endpoint time table collection, their age related hormonal status especially during peri-menopause and menopause. In addition, a thorough baseline should be collected from all individuals that include pH, TEWL and others measures that may be relevant to the study objective.
Nava Dayan, Owner, Dr. Nava Dayan LLC 
Nava Dayan Ph.D. is the owner of Dr. Nava Dayan L.L.C, a skin science and research consultancy and serving the pharmaceutical, cosmetic, and personal care industries. She has 25 years of experience in the skin care segment, and more than 150 publication credits.

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