A new makeup remover prepared with a system comprising dual continuous channels (bicontinuous phase) of silicone oil and water / Kei Watanabe in IFSCC MAGAZINE, Vol. 7, N° 4 (10-11-12/2004)

[article]  inIFSCC MAGAZINE > Vol. 7, N° 4 (10-11-12/2004) . - p. 309-318 Titre : A new makeup remover prepared with a system comprising dual continuous channels (bicontinuous phase) of silicone oil and water Type de document : texte imprimé Auteurs : Kei Watanabe, Auteur ; Masahiko Masuda, Auteur ; Kazuyoshi Nakamura, Auteur ; Tomoyuki Inaba, Auteur ; Akira Noda, Auteur ; Takeshi Yanagida, Auteur ; Toshio Yanaki, Auteur Année de publication : 2004 Article en page(s) : p. 309-318 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Bicontinuous  'makeup  remover'  'hydrophilic-lipophilic  balance'  'phase  diagram'  cleansing Index. décimale : 668.5 Parfums et cosmétiques Résumé : Removing makeup is considered to be the first step in the skincare process. Makeup that has served its purpose is a kind of impurity that should ideally be removed completely to maximize the effects of skincare products applied afterwards. However, the use of silicone resins has significantly improved the long-lasting property of makeup with the result that makeup can hardly be removed efficiently either with surfactant-type cleansers like soaps or with oil-based cleansers like liquid crystalline cleansers. Furthermore, oil-based makeup removers do not leave the skin feeling fresh but oily, and often have been used in combination with surfactant-type cleansers. In other words, complete makeup removal and a fresh skin feel are considered to be incompatible in conventional formulation technologies. To obtain compatible systems, we investigated the applicability of a system known as the bicontinuous phase and eventually succeeded in developing a novel system for a makeup remover. This phase can be prepared with a specific composition with a complete hydrophilic-lipophilic balance in an oil/surfactant/water system by using cyclo-siloxane, which dissolves silicone resin well. The bicontinuous phase has an oil- and water-continuous microstructure, showing affinity for both aqueous and oily substances. This bicontinuous phase was applied to the development of a novel makeup remover. Determination of remover cap-ability and fresh skin feel revealed that the makeup could be completely removed and that the amount of oil remaining on skin surface after wash-off was much less than with previous oil-based removers. The results of the sensory test also supported the finding that the remover was far superior to conventional products. This makeup remover is the first example of the application of the bicontinuous phase technology to a cosmetic product and clearly seems to provide the best conditions for subsequent skin care, meaning that it is suitable for the first step in the skincare process. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10484 [article]

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Super-rapid drying "dip-in-water" nail enamel / Katsuyuki Kaneko in IFSCC MAGAZINE, Vol. 3, N° 4 (10-11-12/2000)

[article]  inIFSCC MAGAZINE > Vol. 3, N° 4 (10-11-12/2000) . - p. 25-29 Titre : Super-rapid drying "dip-in-water" nail enamel Type de document : texte imprimé Auteurs : Katsuyuki Kaneko, Auteur ; Ryota Yamasaki, Auteur ; Toshihito Yabu, Auteur ; Yoshikazu Soyama, Auteur ; Yoshimaru Kumano, Auteur ; Isamu Kaneda, Auteur ; Toshio Yanaki, Auteur Année de publication : 2000 Article en page(s) : p. 25-29 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.5 Parfums et cosmétiques Résumé : In order to accomplish quick-drying speeds exceeding that of present nail enamels, we have developed an innovative idea, "drying with water" . This idea was based on the concept that the drying process is regarded as a precipitation of film forming ingredients. We anticipated that by dipping the applied nail enamel in water, the solvent would dissolve into the water and minute amounts of the water would be taken into the enamel. These two actions would rapidly decrease the solubility of the film forming ingredients and result in rapid film forming. In order for this work, the solvent should be miscible in water. Most solvents used in conventional enamels are insoluble in water, therefore a new solvent system needed to be investigated. The film formed in water needs to be glossy and wearable. Therefore, various resins in conventional nitrocellulose formula were investigated. From the research below, we have developed a formula for super-quick drying nail enamel with 1/4 to 1/5 the drying time of conventional ones. This new nail enamel is also designed to dry normally in air with the same speed as conventional ones do. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10792 [article]

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