Journal of Society of Cosmetic Chemists of Japan
Online ISSN : 1884-4146
Print ISSN : 0387-5253
ISSN-L : 0387-5253
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Volume 22, Issue 3
Displaying 1-6 of 6 articles from this issue
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  • The analysis and the assesment in vitro of the lasting of foundations
    The differentiations of mechanism caused by types of foundation
    Naomi Arimura, Hiroko Hoshiya, Yuka Hirai, Hitoshi Masaki, Masashi Fuj ...
    1988 Volume 22 Issue 3 Pages 149-154
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.149
    JOURNAL FREE ACCESS
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    The lasting effect is one of the important properties of “Make-up foundation”, and its evaluation has hitherto been mainly dependent on sensory testing in human subjects.
    We investigated relationship in deterioration of foundation between sensory usage test and evaluation in vitro. we used three types of foundation for these tests.
    In the usage test, those phenomena of deterioration were descibed by four major components as follows in the principal component analyis, They were “greasy” gloss, “good looking”, “look darkish” and “decrease of covering potency”.
    On the other hand, the evaluations in vitro were performed with an applied glass method.
    The relationships between the usage test and in vitro suggested that the first component was dependent on the change of gloss, which could be evaluated by measurement of gloss in vitro.
    The third component was explained by color change, which was evaluated b. rate of decrease in L of “CIELAB” in vitro, respectively.
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  • The sebum lipid assimilation and the growth inhibition of Pityrosporum ovale (1st report)
    Hidenobu Yoshimasa, Hideto Hayashi, Masashi Fujii
    1988 Volume 22 Issue 3 Pages 165-170
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.165
    JOURNAL FREE ACCESS
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    Pityrosporum ovale (P. ovale) belongs to the yeast, and is known as a resident flora on the scalp and closely related to the seborrhoic dermatitis. It has been reported that increase of P. ovale causes dandruff and resulting itching from adolescence to adulthood. Accordingly, we investigated the assimilation of human sebum lipid and its components, such as a triglyceride by P. ovale, and the inhibition agents by a new technique of using a medium containing Polyoxyethylene (5mol) glyceryl monooleate.
    In the results, the growing of P. ovale was confirmed with human sebum lipid at the level of 30μg/cm2, and was accelerated with oleic acid and glyceryl trioleate. In addition, the lipase activity of P. ovale was detected by using Bromocresol green as a pH indicator.
    These results suggest that P. ovale assimilates the free fatty acids released from triglycerides of sebum and epidermal lipid.
    On the other hand, the inhibition agents of P. ovale were found to be the following. The most effective agent was Hinokitiol.
    Herbal extracts: Swertiae extract.
    Perfume materials: Cinnamic alcohol, Jasmone-cis, Geraniol coeur, Terpineol, Aldehyde (C-18).
    Preservatives: Benzoic acid, Sodium dehydroacetate
    Antidandruff agents: Hinokitiol, Zinc pyrithion, Piroctone olamine
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  • Characteristics of polyglycerin copolymer type nonionic surfactants as cosmetic emulsifiers
    Michio Ochiai, Hiromichi Sagitani, Katsutoshi Itho
    1988 Volume 22 Issue 3 Pages 171-177
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.171
    JOURNAL FREE ACCESS
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    Poly (glycerin) randam copolymer type nonionic surfactant was synthesized from fatty alcohol, tetrahydrofuran, and glycidol under Lewis acid catalyst. To investigate the usefulness of this type of nonionic surfactant as an emulsifier in cosmetics, the emulsifying properties were compared with poly (oxyethylene) alkyl ether. The HLB-values of the copolymers ranged from 7 to 30. This is the first nonionic surfactant that HLB-value cover untill 30. By using phase diagrams the reasons why the HLB-values of RnTxGy exceeded 20 were discussed. A lamellar liquid crystalline phase and O/W emulsions are formed by the addition of water to a W/O microemulsion in the RnTxGy system; whereas a W/O emulsion is formed by the addition of water to the W/O micromulsion in the RnEOx system. This difference of the solution behavior is the reason that RnTxGy gives a high HLB-value and fine O/W emulsions. The dermal and eye irritation levels of RnTxGy are lower than those of RnEOx. We conclude that RnTxGy is useful as an emulsifier for cosmetics.
    Contributed and accepted in the Journal of the Society of Cosmetic Chemists.
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  • A study on the freezing storage of micro-organisms on human skin
    Yoshikazu Itou, Mie Uchida, Kunio Mimura, Yasushi Nishizima
    1988 Volume 22 Issue 3 Pages 178-184
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.178
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    In order to conduct a precise study on skinflora, a freezing procedure of micro-organisms obtained by scrubbing from human skin surface was investigated.
    The optimum conditions for the preservation and culture were determined by using standard strains of S. epidermidis and P. acnes which are typical skin micro-flora.
    Then the procedure was applied to evaluate actual human skin micro-organisms and counted the viable micro-organisms.
    The results showed; the viable counts and the ratio of the constituent species did not change during the freezing of one month.
    The scrubbing technic has a problem that we can not isolate micro-flora samples from a large number of persons within a short period of time, because of the viable counts of micro-organisms in each sample solution chang as time gose on.
    The procedure we presented here is useful to get precise data on the skin micro-bacterio-logical study.
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  • Rapid determination of various dyes in cosmetics
    Tadashi Shibata, Sumiko Tsuji, Kazumi Inamori, Masami Inoue, Yoshio It ...
    1988 Volume 22 Issue 3 Pages 190-194
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.190
    JOURNAL FREE ACCESS
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    Studies on the ion-paired extraction method for various dyes in cosmetics with quaternary amine are described.
    Sulfonic and carboxylic groups in dye molecule contained in cosmetics, reacted stoichmet-rically with tetra-n-octyl ammonnium hydroxide to form dye-amine complex, and then which was easily able to extract with organic solvent.
    Free dyes were reextracted from dye-amine complex in organic layer to waterr layer by using sodium tetraphenyl borate.
    The determination of dye in water layer was developed by use of high-performance liquid chromatography.
    By this method recoveries of dyes from lip stick were not less than 80%.
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  • Recovery Pattern of Skin Temperature after Cold Exposure
    Yoshie Muramatsu, Shigeharu Tanizawa
    1988 Volume 22 Issue 3 Pages 195-198
    Published: December 24, 1988
    Released on J-STAGE: August 06, 2010
    DOIhttps://doi.org/10.5107/sccj.22.195
    JOURNAL FREE ACCESS
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