• Journal of the Korean Society of Fashion and Beauty
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• v.1 no.1 s.1
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• pp.133-142
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• 2003

As you see, there's no difference of the hair's before and after Magic straight permanent on the example A's hair's thickness, the rate of the tense and the C's rate of the tense, but we can find that there are a lot of difference of the A's strength of the hair, the B's hair's thickness, the strength of the hair, the rate of the tense, the C's hair's thickness, and the strength of the hair on the before and after the Magic straight permanent. That is to say, there are more damage on the condition of normal hair than the one after the Magic straight permanent. On the change of the hair's physical character, before the permanent, the hair's schedule was regular and had the healthy head skin of clear mutual boundary But after the Magic straight permanent wave, the hair's schedule changed to unregural, had unclear mutual boundary of the head skin and the schedule was taken off so the cortex showed up and so on, every condition of the damage was very heavy. On the effect of the treatment, even though it gaves the worth condition of the hair, after the Magic straight permanent formally the change of the hair gives the beautiful straight.

• Applied Microscopy
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• v.42 no.3
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• pp.129-135
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• 2012

In this study, the changes in hair quality before and after Magic straight perm have been evaluated through a hair damage measurement method. For this, a healthy high school student's (age18 years) wavy hair was selected and permed on the left and right sides. Then, the changes caused by physical methods which were applied during the fl at iron-based Magic straight perm were evaluated based on the hair damage measurement method before and after the Magic straight perm. According to the protein release test after the Magic straight perm, 1.26% in average and 0.14% was observed in Cool Magic straight perm sample. In a field emission scanning electron microscopy (FE-SEM) test, saw teeth-shaped partial desquamation of cuticle cells and impurities were observed in the warm-treated hair sample. In atomic force microscope (AFM), line-profile is a method to represent roughness data on hair. According to analysis on 3-dimensional (3D) images, the hair with Cool Magic straight perm was lower than the hair with Warm Magic perm in terms of the color change of 3D images. In addition, vertical changes were observed in the hair with Cool Magic perm. As a result, irregular surface roughness was observed. This study proposed a method to minimize hair damage by cooling down the heat with the cool hair straightener as soon as the Warm Magic was finished.

• Fashion & Textile Research Journal
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• v.11 no.1
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• pp.156-165
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• 2009

The purpose of this study was to compare men's hair style preference by gender according to occassion. Data were collected through a survey of 149 males and 175 females and analyzed by SPSS packages. The results of this study were as follows : 1) Male prefers to short, straight and black hair while female prefers to shot, nature wave and black hair. 2) Both male and female don't prefer to permanent and hair dyeing. 3) On the occasion of job interview, both male and female prefer to short, straight and black hair. On the occasion of blind date, male prefers to short, straight and black hair while female prefers to short, natural wave and natural brown hair. On the occasion of matchmaker meeting for marriage, male prefers to short, straight and black hair while female prefers to short, natural wave and dark brown hair. On the occasion of club party, male prefers to middle length, straight and black hair while female prefers middle length, natural wave and natural brown hair. On the occasion of leasure time, male prefers to short, straight and black hair while female prefers to short, natural wave and natural brown hair. And both male and female prefer to use hats for skin protection during outdoor leasure time.

• International Journal of Costume and Fashion
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• v.4 no.2
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• pp.56-65
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• 2004

The purpose of this study was to investigate the effect of hairstyle, hair length, and hair color on women's professional image. The quasi-experimental method by a $2{\times}3{\times}3\;(hairstyle\;{\times}\;hair length\;{\times}\;hair color)$ factorial design was used. Subjects were 343 women in Seoul, Korea. The bright brown hair was perceived to be less professional than the black and the dark brown. The straight hair was evaluated to be more professional than the wavy hair in the short and the medium length hair, whereas the wavy conveyed a higher professionalism than the straight style in long hair. The shorter the hair was, the more professional the image was. Among 18 stimuli, the short straight hair in black was evaluated to have the highest in professional image, and the long straight hair in bright brown was the lowest. Perceivers in their 40's and 50's evaluated the bright brown hair to be more professional than those in their 10's to 30's did. The present findings provide that hairstyle, hair length, and hair color are significant cues when perceiving women's professional image.

• Applied Microscopy
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• v.39 no.1
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• pp.49-56
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• 2009

In this study, we investigated tensile properties and ultrastructural changes of straight permed hair using the rheometer and the scanning electron microscopy. First, we compared the morphological characteristic between the virgin hair and the straight permed hair after testing tensile strength. Cuticle cells were heavily lifted off in straight permed hair than in the virgin hair. Cuticle cells were separated by the destruction of intercellular membrane complex and no destruction or damage were found in cytoplasm. In the comparative test for tensile characteristic between the virgin hair and the straight permed hair, tensile distance of the straight permed hair was decreased by 24.5% or 3.05 mm than the virgin hair. The tensile strength was decreased by 34.63% or $5.62\;g/cm^2$ and the maximum stress by 34.59% or 56.12 g. As a result, the tensile property dropped to the lowest level with the straight permed hair than with the bleached hair or the permanent dyed hair of previous studies.

• The Research Journal of the Costume Culture
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• v.6 no.4
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• pp.13-25
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• 1998

This study focuses on the visual effects of various neckline-haristyle combinations on the perception of face image and type. The study employed a model with oval face and examined 35 combinations made up of five necklines and seven hairstyles. Looking at various face images depending upon different necklines, in case of round, V, boat square, and high necklines, long wave hair and medium wave hair produced a feminine image of marked individuality; long straight hair that covers the forehead and medium straight hair gave an image of charm and purity as well as an image of neatness; and long straight hair short cut hair showed an intellectual image. Regarding the perceptual type of face depending upon the different necklines of round, V, square, and high, the long straight hair covering the forehead and medium wave hair had the effect of an optical illusion that made the face look short and round; and short cut hair made the face line look distinct and the face look oval and slender.

• The Research Journal of the Costume Culture
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• v.14 no.6
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• pp.945-955
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• 2006

The purpose of this study was to examine the effect of hair style and hair color on women's impression formation. The experimental design was $2{\times}3{\times}3$ (hair wave$\times$hair length$\times$hair color) factorial design by 3 independent variables. Subjects were 343 women in Seoul. Four factors were derived to account for the dimensions of impression formation. These were neatness, sociability, attractiveness, and femininity. The straight hairs were evaluated neater than the permed hairs, and the permed hairs were evaluated higher in sociability and attractiveness. The short hairs were perceived highest in sociability, and the long hairs were perceived high in attractiveness and femininity. The black hairs were perceived highest in neatness, the bright brown were perceived high in sociability and attractiveness, and dark brown were perceived high in femininity. Attractiveness had significant interaction effects depending on three independent variables: hair wave, lengths, and colors. Long black straight hair was perceived most attractive, and midium length black straight hair was least attractive. The light brown permed hairs were perceived high in attractiveness regardless of hair length. In the case of straight hair, the longer the hair length was, the younger the object women were perceived. The women with the long permed hair were perceived older than the women with short and midium length permed hair.

• The Korean Journal of Community Living Science
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• v.21 no.1
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• pp.117-124
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• 2010

Recently, research on variables associated with hair styles are increasing with the spreading of total coordinated intention in the fields of clothing and cosmetology. In the present study, we focused on examining the skin temperature on the scalp(the vertex, temporal, and occiput), humidity on the occiput, skin temperatures (the forehead, back of ear, back of neck, upper back, abdomen, forearm, hand, thigh, calf, and foot), rectal temperature, total body mass loss by hair styles in a thermal neutral environment. Four young females participated as subjects. For a certain period, each subject had the five different hair styles in a random order: (1)Straight short hair(SS), (2)Perm waved short hair(PS), (3) Straight long hair(SL), (4)Perm waved long hair(PL), (5)Ponytail style(PT). Subjects wore briefs, bra, shirts with long sleeves, long legged training pants, and socks. The environmental variables of a climatic chamber were kept constant at $21{\pm}0.5^{\circ}C$ of air temperature and 55${\pm}$5%RH of air humidity. The results indicated the following: The skin temperature and humidity on the scalp did not show any significant differences among five different hair styles, but straight long hair style(SL)was the highest on the vertex, temporal, and occiput. The temporal skin temperature($29.8\sim30.8^{\circ}C$) was the highest, while the vertex skin temperature($28.7\sim30.1^{\circ}C$) was the lowest. Humidity on the occiput was the highest in the perm waved long hair style(PL). The back of ear skin temperature was significantly lower in the ponytail style(PT) than in the other four hair styles(p<.001). In the straight long hair style(SL), the skin temperature on the back of the neck and on the upper back were significantly higher than those of the other four hair styles(p<.01). Mean skin temperature and rectal temperature had no significant differences among hair styles. Total body mass was the highest in the perm waved long hair style(PL)(p<.05). We acquired fundamental data to enable the improvement of the current hair clinic system, wigs, functional hats, and helmets.

• Journal of Fashion Business
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• v.9 no.5
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• pp.152-167
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• 2005

This study aims to aid hair fashion design for using hair style change by knowing the hair fashion images' characteristics. To accomplish this purpose, posed a questions to capital area university women students from June 3. 2005. to June 23. 2005. The hair fashion images' characteristics are; (1) avant-garde - unique style of every categories, (2) ethnic - korean style of center part, no volume, down chignon, inactivated texture, (3) romantic pretty - girl like cute style of long, wide wave, wide braid, center part or bang, activated texture, using pin or ribon, (4) elegance - graceful style of down point up style having wave, volume and activated texture, (5) sexy - sexual attractive style of long & wide wave or straight with high volume, activated texture(wet feeling hair styles also possible), (6) sophisticate - refined urban style of inactivated textured graduation and layered straight hair, (7) natural - inartificial style of no volume, inactivated long straight and binding hair, (8) sporty - activated style of activated and inactivated textured short hair.

• Applied Microscopy
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• v.40 no.3
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• pp.163-168
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• 2010

We investigated the burning process of the virgin hair and straight permed hair using thermal analyser and scanning electron microscopy. After the thermal analysis, we found that weight started to change from $100^{\circ}C$. Whereas straight permed hair has weight decrease rate of 2.6% higher than the virgin hair till $200^{\circ}C$, those were 64.9% and 64.4% for the virgin and straight permed hairs, respectively at $300^{\circ}C$. At $400^{\circ}C$, the weight decrease rate of the virgin hair became lower than the other; they were 32.3% and 33.4% for the virgin and straight permed hairs, respectively. Final values were 25.4% and 28.3% at $500^{\circ}C$, which showed that final weight of burnt straight permed hair was higher than the virgin hair by about 2.9%. In terms of morphological changes, the hair started to melt together with adjacent ones by burning till $300^{\circ}C$. The medulla and cortex were melt and the inside was empty like bamboo. The hair burnt till $500^{\circ}C$ was entirely carbonized and found as a clod. We found many blowholes at the surface of the hair clump.