Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/56358

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dc.contributor.authorTinoco, Ana Catarinapor
dc.contributor.authorGonçalves, J. A.por
dc.contributor.authorSilva, Carlapor
dc.contributor.authorLoureiro, Anapor
dc.contributor.authorGomes, Andreia C.por
dc.contributor.authorCavaco-Paulo, Arturpor
dc.contributor.authorRibeiro, Arturpor
dc.date.accessioned2018-10-18T13:03:32Z-
dc.date.available2018-10-18T13:03:32Z-
dc.date.issued2018-08-
dc.identifier.citationTinoco, Ana Catarina; Gonçalves, J. A.; Silva, Carla; Loureiro, Ana; Gomes, Andreia C.; Cavaco-Paulo, Artur; Ribeiro, Artur, Keratin-based particles for protection and restoration of hair properties. International Journal of Cosmetic Science, 40(4), 408-419, 2018por
dc.identifier.issn0142-5463por
dc.identifier.urihttp://hdl.handle.net/1822/56358-
dc.description.abstractObjective Human hair is an element with unquestionable relevance in society both for women and men. Therefore, it is of great importance to develop new cosmetic products for hair care capable to restore and improve hair's characteristics. Here we explore the potential of keratinbased particles in the protection and recovery of hair mechanical properties and thermal stability. Methods Keratinbased particles were obtained by high pressure homogenization (HPH) using keratin and silk fibroin. The particles were characterized regarding size, superficial charge and polydispersity index. Their safety to cells was assessed using human skin keratinocytes. Virgin and overbleached Asian hair were treated with eight keratinbased formulations. The effect of particles on hair's mechanical properties was evaluated in terms of stiffness and tensile strength. The impact of treatments in hair thermal performance was studied using differential scanning calorimetry (DSC). Results Keratinbased particles were capable to recover and/or improve the mechanical properties of virgin and overbleached hair. Virgin hair treated with K80SF20P particles presented an improvement of the mechanical properties around 40%. An increase in keratin helix denaturation enthalpy and in surface smoothness for both types of hair was also verified after treatment. These particles demonstrated stability over time and proved to be safe when tested in human keratinocytes. Conclusion The keratinbased particles here presented have the potential to be incorporated in the development of new and effective hair care cosmetic formulations.por
dc.description.sponsorshipThis study was supported by FCT under the scope of the strategic funding of UID/BIO/04469/2013 unit and COMPETE2020 (POCI01-0145-FEDER-006684) and BioTecNorte operation (NORTE-010145-FEDER-000004) and Nanotechnology Based Functional Solutions (NORTE-01-0145- FEDER-000019) funded by the European Regional Development Fund under the scope of Norte2020 – Programa Operacional Regional do Norte. We also acknowledge the strategic programme UID/BIA/04050/2013 (POCI-01-0145-FEDER007569) funded by national funds through Fundação para a Ciência e a Tecnologia (FCT) and by the ERDF through the COMPETE2020 – Programa Operacional Competitividade e Internacionalização (POCI). Artur Ribeiro and Ana Tinoco thank FCT for funding the scholarships with the references SFRH/BPD/98388/2013 and SFRH/BD/ 114035/2015, respectively.por
dc.language.isoengpor
dc.publisherWileypor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147364/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F98388%2F2013/PTpor
dc.relationSFRH/BD/114035/2015por
dc.rightsopenAccesspor
dc.subjectVirgin hairpor
dc.subjectOver-bleached hairpor
dc.subjectKeratin-based Particlespor
dc.subjectHair treatmentpor
dc.subjectFormulation/stabilitypor
dc.subjectEmulsionpor
dc.subjectformulationpor
dc.subjectstabilitypor
dc.titleKeratin-based particles for protection and restoration of hair propertiespor
dc.typearticle-
dc.peerreviewedyespor
dc.relation.publisherversionhttp://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1468-2494por
dc.commentsCEB47874por
oaire.citationStartPage408por
oaire.citationEndPage419por
oaire.citationIssue4por
oaire.citationConferencePlaceUnited Kingdom-
oaire.citationVolume40por
dc.date.updated2018-10-18T10:04:37Z-
dc.identifier.essn1468-2494por
dc.identifier.doi10.1111/ics.12483por
dc.identifier.pmid30047992por
dc.description.publicationversioninfo:eu-repo/semantics/publishedVersionpor
dc.subject.wosScience & Technologypor
sdum.journalInternational Journal of Cosmetic Sciencepor
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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