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논문 기본 정보

자료유형
학술저널
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대한피부과학회 Annals of Dermatology Annals of Dermatology 제23권 제4호
발행연도
2011.1
수록면
455 - 462 (8page)

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Background: Hair dryers are commonly used and can cause hair damage such as roughness, dryness and loss of hair color. It is important to understand the best way to dry hair without causing damage. Objective: The study assessed changes in the ultra-structure, morphology, moisture content,and color of hair after repeated shampooing and drying with a hair dryer at a range of temperatures. Methods: A standardized drying time was used to completely dry each hair tress, and each tress was treated a total of 30 times. Air flow was set on the hair dryer. The tresses were divided into the following five test groups: (a) no treatment, (b) drying without using a hair dryer (room temperature, 20oC), (c) drying with a hair dryer for 60 seconds at a distance of 15 cm (47oC), (d)drying with a hair dryer for 30 seconds at a distance of 10 cm (61oC), (e) drying with a hair dryer for 15 seconds at a distance of 5 cm (95oC). Scanning and transmission electron microscopy (TEM) and lipid TEM were performed. Water content was analyzed by a halogen moisture analyzer and hair color was measured with a spectrophotometer. Results:Hair surfaces tended to become more damaged as the temperature increased. No cortex damage was ever noted,suggesting that the surface of hair might play a role as a barrier to prevent cortex damage. Cell membrane complex was damaged only in the naturally dried group without hair dryer. Moisture content decreased in all treated groups compared to the untreated control group. However, the differences in moisture content among the groups were not statistically significant. Drying under the ambient and 95oC conditions appeared to change hair color, especially into lightness, after just 10 treatments. Conclusion: Although using a hair dryer causes more surface damage than natural drying, using a hair dryer at a distance of 15 cm with continuous motion causes less damage than drying hair naturally. (Ann Dermatol 23(4) 455∼462, 2011)
#Hair damage #Hair dryer #Heat #Natural ambient dry

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참고문헌 (16)

참고문헌 신청
Ahn HJ / 2002 / An ultrastuctural study of hair fiber damage and restoration following treatment with permanent hair dye / Int J Dermatol 41 : 88 ~ 92 google schola Bolduc C / 2001 / Hair care products: waving, straightening, conditioning, and coloring / Clin Dermatol 19 : 431 ~ 436 google schola Gamez-Garcia M / 1998 / The cracking of human hair cuticles by cyclical thermal stresses / J Cosmet Sci 49 : 141 ~ google schola Gummer CL / 1994 / Bubble hair: a cosmetic abnormality caused by brief, focal heating of damp hair fibres / Br J Dermatol 131 : 901 ~ 903 google schola Hearle JW / 2000 / A critical review of the structural mechanics of wool and hair fibres / Int J Biol Macromol 27 : 123 ~ 138 google schola

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