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Harry’s Cosmeticology

9th Edition

www.chemical-publishing.com

Harry’s Cosmeticology, the most popular cosmetic

science book of the century, is updated by Meyer R.

Rosen, FRSC, FAIC, together with over 150 international

experts in the essential fundamentals, advanced and

frontier areas of cosmetics and personal care science

and technology.

“Harry's provides an overview of the entire cosmetics industry as well

as a great deal of detailed information on its component sectors.

Most of the chapters are top notch reviews of their subject matter

and the book has a forward-looking approach”

~ Joel Zatz, Rutgers University

“Harry's provides sound science through the eyes of an impressive

team of over 150 global experts and thought leaders of dermatology

and the cosmetic industry.”

~ Navin Geria

“No book in the personal care industry has stood the test of time like

Harry’s Cosmeticology.”

~ Tom Branna, HAPPI Magazine

Marketing - Regulatory Requirements - Intellectual Property - Achieving Global Market

Success - The Substrates - Ingredients - Anti-Aging - Formulating - Sensory Characterization -

Delivery Systems - Nutracosmetics - Nanocosmetics - Testing - Sustainability -

Cosmetic Manufacturing - Packaging

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.

Link to Original