• Journal of Fashion Business
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• v.17 no.2
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• pp.151-163
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• 2013

In this research, with a goal of lessening the damage to hair by adding rose hip extract to permanent wave 1 solution and performing permanent wave procedure prior to acid dyeing and maximizing the effect of the procedure, rose hip extract 15%, 20% was added to each thioglycolate 1 solution and cysteine 1 solution and the procedure was performed. As a result, when performing the procedure by adding rose hip extract to permanent wave 1 solution thioglycolate and cysteine permanent wave 1 solution, the effect of wave effectiveness is increased and the damage to hair was confirmed to be low. Depending on the rose hip additive status in thioglycolate, the treatment effect of hair was shown to be beneficial. However, the limit of this research is that the thickness of hair strands for each person differs as well as the location of the hair contributing to the difference and therefore exact judgement regarding the shape of waves as well as the level of damage cannot be fully measured. In the following clinical tests, we will test the procedure on variety of hair types.

• Fashion & Textile Research Journal
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• v.10 no.3
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• pp.389-393
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• 2008

The purpose of this study is to provide beauticians with the fundamental material for them to use effectively heat permanent wave and satisfy their customers. It carried out an experiment with hair of a woman in her late twenties to investigate the change of physical and morphologic characteristics by its water content when performing heat permanent wave. It evaluated the water content as 0g, 1g, 2g, 3g and 4g respectively when performing the heat permanent wave on hair, then it compared and observed the wave type, tensile strength and elongation for its physical change also observed the morphologic change by scanning electronic microscope and transmission electronic microscope. The result of experiment on the physical specificity revealed that the wave was the most ideal when the water content was 2 g. The material with much water content made wave but the result was not satisfied. In the case of hair with water content of nearly 0g didn't make wave. In terms of tensile strength and elongation, the tensile strength was generally reduced as hair was damaged, on the contrary, the elongation was increased. It observed the change of morphologic characteristic and got the result that the damage on hair cuticle was deepen as its water content was decreased. It also showed the result that damage happened on hair cuticle more than hair cortex with the observation of fine structure on hair section by transmission electronic microscope. Generally chemical treatment damaged hair. Under consideration of this aspect, the ultimate goal of this thesis is to minimize the damage of hair caused by chemical treatment and get the satisfaction on the hair style. The result of experiment presented that the hair showed the best result when its water content was 2 g.

• Fashion & Textile Research Journal
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• v.24 no.6
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• pp.775-781
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• 2022

As part of research to develop a permanent wave-reducing agent for hair, in the current study, 0.1%-1.0% of Polyquaternium-10 was added to a permanent reagent containing Nicotinoyl Dipeptide-23 to prepare the agent, which was tested on damaged hair. The pH change was relatively stable even after a date, but due to the hair's natural composition, 0.1%-0.6% of the Polyquaternium-10 concentration according to pH was suitable. The temperature safety experiment demonstrated it to be stable at a high temperature and at room temperature, but when a Polyquaternium-10 concentration of 0.9% or higher was added at 0℃, coagulation occurred. In terms of the force efficiency of permanent wave formation, wave efficiency lowered as the concentration increased: the longer the wave lasts, the lower the Polyquaternium-10 concentration. The permanent moisture content was found to be higher as the concentration of Polyquaternium-10 increased. Therefore, when Polyquaternium-10 is applied to the permanent wave-reducing agent, considering stability, permanent formation, durability, and moisture rate, the most suitable concentration was found to be that of Polyquaternium-10 in the cysteine-reducing agent. A novel finding from this study is that as the concentration of Polyquaternium-10 increases, the consistency of the permanent wave-reducing agent changes, shifting from a liquid to a viscous liquid formulation.

• Journal of Fashion Business
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• v.6 no.3
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• pp.41-51
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• 2002

The author of the paper investigated the changes of hairstyle along the developments in hairdressing industry in the 20th century. The development process of hairdressing industry was divided into four periods of introduction, origination, growth, and establishment. The corresponding changes of hairstyle were analyzed and the findings are as follows. 1. Hairstyle could be classified into such typical ones as traditional style, cut, bob, wave, permanent wave, up style, and hair coloring. 2. Fashion leaders affected the changes of hairstyle. 3. Whenever hairdressing appliances were introduced, new hairstyle was practiced as follows with the use of the appliances. (1) Introduction Period - Traditional Style : Chignon, pigtail ribbon $\rightarrow$ Variations were designed in hair length or split due to the limited availability of appliances. - Up Style : Pompadour, thick and up hair, encircling hair $\rightarrow$ Padding was used for sweep-up. (2) Origination Period - Bob Style : Women's first bob style. - Wave style : Wave with bob, close-cropped hair, up style $\rightarrow$ Iron, set, permanent devices were used. (3) Development Period - Wave Style : Wind wave, easily manageable wave $\rightarrow$ Blow dry, body permanent were used. (4) Establishment Period - Straight Style : Use of straight permanent. - Thick Wave Style : Development of various kinds of rod. - Hair Coloring : Advent of diverse fashion hair coloring, apart from the coloring of white hair, with the introduction of color TV. - Bob Style : Romantic bob style $^{\circ}\hat{E}$ Use of clippers and thinning scissors. Thus, the changes of hairstyle according to the development in hairdressing industry had close relationship with the improvement in hairdressing appliances.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.9
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• pp.3277-3283
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• 2010

In this study, in order to find effects of collagen manipulation on hair in permanent wave treatment, it was conducted measurement and analysis on hair curl formation, thickness, tensile strength, methylene blue absorbance, and moisture loss after manipulating concentration proportion of collagen in permanent wave treatment on normal hair. As a result, it was found that by contrast with applying the reductant, hair thickness, tensile strength, methylene blue absorbance, and moisture loss were decreased when applied collagen in permanent wave treatment the higher concentration proportion of collagen was applied, the less damage was occurred on hair However curl formation capacity was decreased in permanent wave treatment as concentration proportion of collagen was increased. Therefore, the appropriate concentration proportion of collagen was 2% in order to reduce hair damage in permanent wave treatment.

• Fashion & Textile Research Journal
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• v.3 no.4
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• pp.351-356
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• 2001

The purpose of these experiments is to improve the perm techniques which are fast growing and changing in our life style, for customer satisfaction and to use as basic data for academic purpose through comparing between two methods which are the new permanent wave treatment and the old one. I classified the hair samples to three kinds, which are healthy, normal, and damaged hair. This study is focused on the top part of hair sample which is damaged by strong and long-time sunshine. To get the best result, I use the scanning electron microscope (JSM-5200) as main device of these experiments. The followings are the results of these experiments. First, the new way of permanent wave technique has much more damage on hair than the old one. Second, There are big differences of damaging in this study. The harmed hair has worse result than the healthier hair.

• Journal of the Korean Applied Science and Technology
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• v.19 no.1
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• pp.19-24
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• 2002

It is a great role that the character of man or woman could be distinguished by hair on the aspect of ornament. Hair will be support of beautifulness of human being in various permanent wave by many kinds of its drugs. Hair is based upon the skin which enroll the body of high living animals and have multiple membrane structure. This study used rat and the effects of commercial permanent wave products to skin which are composed with thioglycolic acid and bases. Results are as follows. Permanent wave penetrated to 4 hours later with steady state in skins and was not significant changeable after 20hr later. In case of neutralizer with thioglycolic acid lag time and permeability coefficient in healthy skin is 3.38hr and $0.094^{\mu}g/cm^{2}$ ${\cdot}$ hr, it old skin is 3.48hr and 0.129$^{\mu}g/cm^{2}$ ${\cdot}$ hr, and it wounded skin is 4.72hr and $0.158^{\mu}g/cm^{2}$ ${\cdot}$ hr. In conclusion, lag time and permeability coefficient in old skin and wounded skin are faster than healthy skin. In vivo which was studied by general time and method of permanent wave. We notified that fine rinkle and rash of skin were changeable in the case of treating with permanent wave drugs than normal skin. We can see even rash and eruption by the naked eye.

• Journal of the Society of Cosmetic Scientists of Korea
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• v.34 no.2
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• pp.143-148
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• 2008

Variations of the seventeen amino acids(aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, cystein, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, histidine, lysine, arginine) were analyzed in human hair sample by amino acid auto analyzer(AAA). The effect of bleaching and permanent wave manipulation on the amino acid composition of hair were investigated. Hair samples were collected from 10 males in their thirties. Hair samples were treated with 10 mL of 6 N hydrochloric acid at $110^{\circ}C$ for 24 h and analysed by AAA. The results showed that the amino acid content of normal hair(73.9%) decreased to 71.5% and 69.3% after bleaching and permanent wave treatment, respectively. Furthermore, mean contents of lysine and tyrosine in amino acids showed obviously decreased about 25% by permanent wave and bleaching treatment. On the other hand, serine, cystein, leucine and histidine were not changed.

• Journal of Convergence for Information Technology
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• v.11 no.10
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• pp.270-276
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• 2021

The purpose of this study was to investigate the effects of home care hair treatment characteristics and frequency on hair during permanent wave treatment. The hair treatments distributed on the market were classified into cationic surfactants and silicone oil. Hair treatment was performed 5 times, 10 times, 20 times differently according to the frequency of use, and hair permanent wave was performed. The hair thickness, tensile strength, epidermal observation using SEM, and hair component analysis using EDS were performed as experimental methods. The results of the experiment showed that the natural-derived ingredient was the main ingredient, and the cationic surface activity and silicon oil-free product group had high hair protection effect. Therefore, the product group using natural ingredients should be further researched and developed, and the study on the method and frequency of use of products with irritant chemical ingredients should be conducted.

• Journal of Convergence for Information Technology
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• v.11 no.11
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• pp.288-295
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• 2021

This study was conducted to investigate the effect of end paper adsorbed with mask pack active ingredients on hair during permanent wave treatment. Permanent wave was performed with purchasing mask packs containing green tangerine, collagen, and Houttuynia cordate active ingredients among commercially available mask packs and adsorbing them to the end paper. As experimental methods, hair thickness, hair moisturizing power, tensile strength, hair epidermis observation using SEM, and hair constituent element analysis using EDS were performed. As a result of the experiment, it was confirmed that the experimental group treated with Houttuynia cordate active ingredient on the end paper had a hair protection effect as a result of hair thickness, tensile strength, hair epidermis observation, and hair component analysis. In addition, it was confirmed that the experimental group treated with green tangerine active ingredient on the end paper contained a relatively large amount of moisture in the hair moisturizing power test result. It is hoped that the development and research of various materials and tools will proceed so that basic cosmetic products containing active ingredients can be developed and used as hair cosmetics, and applied during chemical treatment in the industrial field.