Morphometric characteristics of feminine eyebrows : variations with ethnicities and age / Frédéric Flament in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 41, N° 5 (10/2019)  

[article]  inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 41, N° 5 (10/2019) . - p. 443-449 Titre : Morphometric characteristics of feminine eyebrows : variations with ethnicities and age Type de document : texte imprimé Auteurs : Frédéric Flament, Auteur ; I. Seyrek, Auteur ; G. François, Auteur ; T. Zhu, Auteur ; C. Ye, Auteur ; Didier Saint-Léger, Auteur Année de publication : 2019 Article en page(s) : p. 443-449 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Femmes Groupe ethnique Sourcils Index. décimale : 668.5 Parfums et cosmétiques Résumé : - Objective : To explore some morphological features of the eyebrows of women of different ethnicities and ages. - Materials and Methods : Standard digital photographs of 3600 women of six ethnicities, aged 18–84 years, previously used to describe the morphology of the human eyes, allowed us to focus on their eyebrows, as supplementary and opportunistic study. Photographs of both eyebrows were analysed partly by manual markings and automatically by dedicated algorithms. Six parameters of the eyebrows were recorded: length, waviness/curvature, oblique aspect, size (vertical height), total surface and hair coverage (density). - Results : Most criteria present ethnic specificities. These are: length (longer eyebrows of Indian, shorter among African women); waviness where the straighter eyebrows were found among Chinese and Japanese women. In general, the longer the eyebrows, the higher their waviness and vice versa. Thickness (or height) of the eyebrows presents a wide ethnic variability as well as hair coverage, where African women present the lower hair density, inversely to Indian women. The same holds true with regard to the total surface of eyebrows, of a large variability (by about four times). Some criteria appear more individually dependent than ethnic-specific, such as the oblique positioning, at the exception of Indian women with less oblique eyebrows. In all subjects, the criteria of both eyebrows (Left vs. Right) were found to be highly correlated (r > 0.7, P < 0.001). - Conclusion : The present investigation brings new findings on a scarcely studied facial element, the morphologic features of which are, for most, ethnic-dependent. As applied consequences, the results of the present work pave the road to better adapt adorning procedures of the eyebrows vis-à-vis ethnic and age specificities. Note de contenu : - MATERIALS AND METHODS : Protocol - Reproducibility of the image markings - Statistics - Retained parameters - RESULTS : Lengths of the eyebrows - Waviness of the eyebrows - Horizontality of the eyebrows - Magnitudes of the eyebrows DOI : 10.1111/ics12557 En ligne : https://drive.google.com/file/d/18PZD6gtkLBN3dZyhzZiJwOPYFpFmF5kk/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33202 [article]

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