Association Between Natural Hair Color, Race, and Alopecia [PDF]
Dermatology and TherapyIntroduction Limited epidemiologic data has suggested direct associations between hair pigment, race, and incidence of alopecia areata (AA). Here, we examine the relationship between natural hair color, race, and the lifetime risk alopecia.
Kanika Kamal +5 more
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Opening the dialogue: A preliminary exploration of hair color, hair cleanliness, light, and motion effects on fNIRS signal quality. [PDF]
PLoS ONEIntroductionFunctional near-infrared spectroscopy (fNIRS) is a promising tool for studying brain activity, offering advantages such as portability and affordability.
Mitchell Holmes +2 more
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Predicting hair cortisol levels with hair pigmentation genes: a possible hair pigmentation bias [PDF]
Scientific Reports, 2017 Cortisol concentrations in hair are used to create hormone profiles spanning months. This method allows assessment of chronic cortisol exposure, but might be biased by hair pigmentation: dark hair was previously related to higher concentrations.
Alexander Neumann +7 more
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Regional differences in the distribution of melanocyte-containing hair bulbs in the skin of male albino rats. [PDF]
PLoS ONEHair gets its color from melanin produced by melanocytes in the hair matrix. The coloration patterns observed in most terrestrial mammals arise from the diverse color combinations within their fur, which depends on the distribution pattern of melanocyte ...
Nayuki Numata +2 more
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Tannin-Mordant Coloration with Matcha (camelia sinensis) and Iron(II)-Lactate on Human Hair Tresses
Molecules, 2021 The aim of this work was to optimize our natural hair dyeing system which we described in our previous work and to compare with other dyeing systems.
Lusine Sargsyan +3 more
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Defensive behavior of the invasive alien hornet, Vespa velutina, against color, hair and auditory stimuli of potential aggressors [PDF]
PeerJ, 2021 Background During recent years, invasion of the yellow-legged hornet (Vespa velutina) has occurred in Europe, Korea and Japan, and stinging accidents often occur as some V. velutina nests are in places where humans can reach them.
Moon Bo Choi +2 more
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Efficacy of Some Plants Extracts for Natural Dyeing of Human Hair
Journal of Natural Fibers, 2022 Interest in natural hair dyes is continuously growing as these are green alternatives to synthetic dyes. A single natural dye may not be the right color for many people.
Shaukat Ali +2 more
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Effect of surfactant type on the dyeability and color resistance of semi-permanent basic hair dye
Fashion and Textiles, 2023 Basic Brown 16 pigment and three types of surfactants were used to prepare the cationic, nonionic, and anionic basic hair dyes. White hair and bleached hair were dyed using the three basic hair dyes and were shampooed 10 times using acidic, neutral, and ...
Kyeoungsook Yun, Cheunsoon Ahn
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Color Protection from UV irradiation of artificial dyes with grape seed (Vitis vinifera) extract
Journal of Photochemistry and Photobiology, 2022 Hair color fade is an important issue for consumers who use permanent hair colorants and is caused by both washing and UV exposure. The mechanism of light-induced fading was explored using a solution model system and shows that both UV and visible light ...
Sonja L Knowles +10 more
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