Human Hair Diversity

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Human Hair Diversity

Author : John Gray
Publisher : Wiley-Blackwell
ISBN 13 : 9780632056729
Total Pages : 80 pages
Book Rating : 4.0/5 (567 download)

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Book Synopsis Human Hair Diversity by : John Gray

Download or read book Human Hair Diversity written by John Gray and published by Wiley-Blackwell. This book was released on 2001-05-03 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book discusses the different basic hair types and how these have changed over thousands of years due to the movement and gradual blending of populations and more recently to the demands of fashion for straightening, colouring, curling or otherwise altering the hair. It begins with a description of the structure of different types of hair, and then describes how the spread of humans over the earth has led to so much hair diversity . The effect that differences in porosity, elasticity and texture have on different hair types is explained. Advice is given on how to treat hair to maintain its strength and condition and to avoid unnecessary hair loss, breakage or even scalp burn. The final chapters consider the various chemicals used in hair treatments, with their actions and interactions, and explains how to minimise the damage that careless treatment can inflict. Our hair is a unique asset, which we can use to represent an 'image,' express rebellion, or even attract a mate.

The Human Hair, Popularly and Physiologically Considered, with Special Reference to Its Preservation ... and the Various Modes of Its Decoration in All Countries

Download The Human Hair, Popularly and Physiologically Considered, with Special Reference to Its Preservation ... and the Various Modes of Its Decoration in All Countries PDF Online Free

Author : Alexander Rowland
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.V/5 ( download)

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Book Synopsis The Human Hair, Popularly and Physiologically Considered, with Special Reference to Its Preservation ... and the Various Modes of Its Decoration in All Countries by : Alexander Rowland

Download or read book The Human Hair, Popularly and Physiologically Considered, with Special Reference to Its Preservation ... and the Various Modes of Its Decoration in All Countries written by Alexander Rowland and published by . This book was released on 1853 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical and Physical Behavior of Human Hair

Author : Clarence R. Robbins
Publisher : Springer Science & Business Media
ISBN 13 : 3642256112
Total Pages : 746 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Chemical and Physical Behavior of Human Hair by : Clarence R. Robbins

Download or read book Chemical and Physical Behavior of Human Hair written by Clarence R. Robbins and published by Springer Science & Business Media. This book was released on 2012-02-23 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human hair is the subject of a remarkably wide range of scientific investigations. Its chemical and physical properties are of importance to the cosmetics industry, forensic scientists and to biomedical researchers. The fifth edition of this book confirms its position as the definitive monograph on the subject. Previous editions were recognized as “concise and thorough” (Journal of the American Chemical Society), “an invaluable resource” (Canadian Forensic Science Society Journal), and “highly recommended” (Textile Research Journal). Chemical and Physical Behavior of Human Hair is a teaching guide and reference volume for cosmetic chemists and other scientists in the hair products industry, academic researchers studying hair and hair growth, textile scientists and forensic specialists. Features of the Fifth Edition: Recent advances in the classification and characterization of the different proteins and genes in IF and keratin associated proteins in human hair are described. The mechanism and incidence of hair growth and loss and hair density vs. age of males & females are described for Asians, Caucasians and Africans in different scalp regions. Details of hair surface lipids and cuticle membranes provide a better understanding of the surface and organization of the CMC and its involvement in stress strain is presented. Recent evidence demonstrates a more bilateral structure in curly hair and a more concentric arrangement of different cortical proteins in straighter hair. SNPs involved in hair form (curl and coarseness) and pigmentation and genes in alopecia and hair abnormalities are described. The latest biosynthetic scheme for hair pigments and structures for these and the different response of red versus brown-black pigments to photodegradation is described. A new method for curvature on 2,400 persons from different countries and groups is used to assign curvature throughout this book. Additional data for age and effects on diameter, ellipticity, elastic modulus, break stress and other parameters are presented with much larger data sets featuring statistical analyses. Hair conditioning, strength, breakage, split ends, flyaway, shine, combing ease, body, style retention, manageability and feel parameters are defined and described. A new section of different life stages by age groups considering collective and individual changes in hair fiber properties with age and how these affect assembly properties.

The Human Hair

Author : Hermann Beigel
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.R/5 (5 download)

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Book Synopsis The Human Hair by : Hermann Beigel

Download or read book The Human Hair written by Hermann Beigel and published by . This book was released on 1869 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hairmythology the Origin of Hair Textures Uncover Your Hair-I-Tage

Author : Lupita Samuels
Publisher : Litfire Publishing, LLC
ISBN 13 : 9781640450851
Total Pages : pages
Book Rating : 4.4/5 (58 download)

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Book Synopsis Hairmythology the Origin of Hair Textures Uncover Your Hair-I-Tage by : Lupita Samuels

Download or read book Hairmythology the Origin of Hair Textures Uncover Your Hair-I-Tage written by Lupita Samuels and published by Litfire Publishing, LLC. This book was released on 2017-04-13 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: People, all over the world, tend to subscribe to the 'bad hair/good hair myth' as a benchmark for grading hair-quality; if not for themselves, then, for others. Historical facts, scientific facts, and fiction merge together in a dramatic, contemporary, background story, that sets the stage for demonstrating how differences in our 'hair-quality' came about. This book includes a workbook and reflection section which challenges the reader not only to rethink the "bad hair/good hair myth," but to possibly, deconstruct it.

Variation in Human Hair Morphology and Microstructure

Author : Sandra Koch
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Variation in Human Hair Morphology and Microstructure by : Sandra Koch

Download or read book Variation in Human Hair Morphology and Microstructure written by Sandra Koch and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Human hair varies considerably in form and color within an individual and among groups. I examined diversity within human hair, and conducted tests to determine the nature and pattern of differences in the size and shape of hair and the density and distribution of pigment granules (melanosomes). Differences in hair form and cuticle thickness are apparent between broadly defined geographic ancestry groups, but these categories do not necessarily reflect our modern, genetically admixed world.Using Transmission Electron Microscopy (TEM), I investigated the degree of cuticle variability within the hairs from individuals, hairs from peoples who shared similar ancestry, and among people with diverse ancestries. Measurable differences were found in cuticle thickness and in the number of cuticle layers among the populations studied. Hairs from people with African ancestry tend to have thinner cuticles with fewer layers making up the cuticle, while those from people of European and East Asian ancestry tend to have thicker cuticles made up of more layers. Samples of hairs from peoples of European and East Asian ancestry are not statistically significant in cuticle thickness and in the number of layers. Testing European and East Asian hairs against African hairs show statistically significant differences in the cuticle thickness and number of layers. Variation exists within and among human populations in hair color, degree of curl, cross-sectional shape, diameter, and length. Analyses of hair dimensions and the number and distribution of pigment particles within a hair cross section revealed variability among diverse populations, and demonstrated that hair traits are not easily separable into distinct categories by ancestry. These findings offer support for eliminating the use of the outdated three-category racial typologies used by many U.S.-trained forensic scientists. I observed general trait patterns that may be useful for future research and that point to the need for additional research on the effects of genetic admixture to better assess ancestry traits in human hair.

The Truth about the Human Hair Industry

Author : Alix Moore
Publisher : AMERICAN HAIR FACTORY
ISBN 13 : 0989187314
Total Pages : 162 pages
Book Rating : 4.9/5 (891 download)

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Book Synopsis The Truth about the Human Hair Industry by : Alix Moore

Download or read book The Truth about the Human Hair Industry written by Alix Moore and published by AMERICAN HAIR FACTORY. This book was released on 2013-08-15 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a must read for anyone who is interested in setting up their own human hair distribution company and for those ready to learn how to manufacture their own line of human hair. Alix gives great insight into how India, China, and Korea has monopolized the market, and how we can take it back!

Forensic Individualization of Human Hair

Author : Charles Virgil Morton
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Forensic Individualization of Human Hair by : Charles Virgil Morton

Download or read book Forensic Individualization of Human Hair written by Charles Virgil Morton and published by . This book was released on 1971 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Human Hair

Author : J. Harley Parker
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (5 download)

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Book Synopsis The Human Hair by : J. Harley Parker

Download or read book The Human Hair written by J. Harley Parker and published by . This book was released on 1937 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Human Diversity

Author : Bernard Charles Lamb
Publisher : World Scientific
ISBN 13 : 9814632368
Total Pages : 469 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Human Diversity by : Bernard Charles Lamb

Download or read book Human Diversity written by Bernard Charles Lamb and published by World Scientific. This book was released on 2015-10-28 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Human diversity, with its myriad of different conditions involving biology, psychology, and social structures, remains one of the biggest challenges — and opportunities — facing the species. With many government and private firms now having diversity or equality officers, programmes or committees, it is clear that human diversity is a cornerstone of policy-making at the very highest echelons. All this points to a need for proper scientific and medical information on this topic — not soft 'politically correct' sociology. This book provides the hard facts on human similarities and differences, their causes and effects on people. It covers the whole range from normal to extreme human types, and presents — for the first time — much of the author's 25 years of original research on the subject. It can also act as a family medical guide to aspects of human function, structure and disease. It covers many human topics in a humane and understandable fashion, providing much material for information and discussion. It can be used as a handbook or textbook on human diversity, but is mainly popular science for the general public. A special feature of this book is the 140 colour photos that illustrate the diversity of human life, nearly all taken by the author himself. Given the vast nature of the subject, the book seamlessly integrates relevant data from multiple disciplines including medicine, biology, anthropology, genetics, psychology, evolution, languages, sociology, history and geography. Even controversial subjects such as race, class and culture are tackled head-on with no-nonsense scientific rigour."--

Human Hair

Author : Vlado Valkovic
Publisher : CRC-Press
ISBN 13 : 9780849348617
Total Pages : 184 pages
Book Rating : 4.3/5 (486 download)

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Book Synopsis Human Hair by : Vlado Valkovic

Download or read book Human Hair written by Vlado Valkovic and published by CRC-Press. This book was released on 1988-08-31 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Atlas of Human Hair

Author : Robert R. Ogle Jr.
Publisher : CRC Press
ISBN 13 : 9781420048360
Total Pages : 128 pages
Book Rating : 4.0/5 (483 download)

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Book Synopsis Atlas of Human Hair by : Robert R. Ogle Jr.

Download or read book Atlas of Human Hair written by Robert R. Ogle Jr. and published by CRC Press. This book was released on 2017-08-21 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: It fills a void in the resources available to researchers and practitioners in forensic hair examination by providing photographic archetypes for the microscopic characteristics of human hair and the variates of the characteristics seen in forensic examinations, including curl; color; pigment distribution and density; cortical fusi; and ovoid bodie

The Bio-social Significance of Human Hair

Author : Barbara Torrey-Hillinger
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (223 download)

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Book Synopsis The Bio-social Significance of Human Hair by : Barbara Torrey-Hillinger

Download or read book The Bio-social Significance of Human Hair written by Barbara Torrey-Hillinger and published by . This book was released on 1974 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Human Hair

Author : Vlado Valkovic
Publisher : Springer
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Human Hair by : Vlado Valkovic

Download or read book Human Hair written by Vlado Valkovic and published by Springer. This book was released on 1988-07-31 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume I of this two-volume compendium summarizes the knowl-edge on distribution and classification of hair in humans, rate of hair growth and factors influencing the growth, hair cycle and its control mechanisms, and the loss and structure of hair. Basic characteris-tics used for the measurement of elemental composition of hair are also presented. In Volume II, all factors influencing the trace ele-ment level in hair are discussed. Numerous experiments are pre-sented and data on trace element levels in hair under different con-ditions are summarized.

The Human Hair and the Skin of the Head

Author : J. Philpot
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (291 download)

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Book Synopsis The Human Hair and the Skin of the Head by : J. Philpot

Download or read book The Human Hair and the Skin of the Head written by J. Philpot and published by . This book was released on 1845 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Genetic Architecture and Evolutionary Function of Human Scalp Hair Morphology

Author : Tina Tina Lasisi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (127 download)

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Book Synopsis The Genetic Architecture and Evolutionary Function of Human Scalp Hair Morphology by : Tina Tina Lasisi

Download or read book The Genetic Architecture and Evolutionary Function of Human Scalp Hair Morphology written by Tina Tina Lasisi and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Most hair follicles on the human body have evolved to be miniaturized, rendering us practically 'naked'. Despite sparse body hair, we retain thick hair on our scalps that varies significantly among populations. Yet little is known of the evolutionary history of our scalp hair and its variation. It has been suggested that scalp hair, and tightly curled hair in particular, evolved to moderate thermal load in humans. However, this functional hypothesis has never been directly tested. Existing research on human hair variation has relied on subjective and qualitative descriptors of hair morphology and samples have been historically had a strong Eurocentric bias. Despite its relevance to several evolutionary hypotheses, scalp hair has yet to be studied in a comprehensive evolutionary, functional, and genetic framework. The functional work described in this dissertation revisits the recurrent question of the role of thermoregulation in shaping early human evolution. This work is the first to extensively investigate the potential role of scalp hair and variation in its morphology in modulating heat balance in humans. More broadly, the methods, samples, and hypotheses tested in this dissertation serve to replace racialized terminology and conceptions of human scalp hair variation. Current public discussions of human biological variation demonstrate that anthropologists must continue to oppose tendencies to perceive human variation in racial terms, and focusing on hair--one of the most visible and variable human traits--will provide anthropologists with evidence of how and why variation evolved. This dissertation synthesizes methods and knowledge from various disciplines with new data, generating an innovative perspective on both human origins and modern variation and laying the foundation for future work.

Chemical and Physical Behavior of Human Hair

Author :
Publisher : Springer
ISBN 13 : 9783642256127
Total Pages : 750 pages
Book Rating : 4.2/5 (561 download)

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Book Synopsis Chemical and Physical Behavior of Human Hair by :

Download or read book Chemical and Physical Behavior of Human Hair written by and published by Springer. This book was released on 2012-02-25 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: