Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/47769

TitleEffect of a peptide in cosmetic formulations for hair volume control
Author(s)Cruz, Célia F.
Ribeiro, Artur J.
Sá, M.
Cavaco-Paulo, Artur
KeywordsHair
Relative Humidity
KP Peptide
Hair treatment
Climate control
Issue dateDec-2017
PublisherWiley
JournalInternational Journal of Cosmetic Science
CitationCruz, Célia F.; Ribeiro, Artur; Sá, M.; Cavaco-Paulo, Artur, Effect of a peptide in cosmetic formulations for hair volume control. International Journal of Cosmetic Science, 39(6), 600-609, 2017
Abstract(s)Objective The capacity of hair to absorb water causes changes in its physical and cosmetic properties under different environmental conditions. Hence, the control of hair volume in variable relative humidity settings is an important topic in cosmetics. The behaviour of two types of hair, Caucasian and Asian, was studied regarding their volume change in different relative humidity conditions. The ability of a peptide as a hair volume treatment was evaluated in two climate control formulations. Methods Tresses of the two types of hair were tested in two relative humidity (RH) conditions: (A) variable relative humidity (2 hours 40% RH, followed by 2 hours 90% RH and 2 hours of 40% RH), and (B) continuous high relative humidity (90% RH for 6 hours). Changes in the hair tress volume were assessed throughout time. Hair treated with two climate control formulations, with and without a peptide (KP peptide), were tested under the two relative humidity conditions. Results Caucasian hair had a higher change in volume compared to the Asian hair in variable and high relative humidity conditions. The hair volume increase when subject to high air humidity, and it was lower with the incorporation of a peptide into climate control formulations. Conclusion Caucasian hair showed higher volume than Asian hair when submitted to both relative humidity conditions. The incorporation of the peptide into the climate control formulations, a base (mostly composed of water 94%) and an ethanolic, was found to reduce the volume of Caucasian hair tresses. The presence of the peptide improved the hair volume change more than 60% in high relative humidity conditions.
TypeArticle
URIhttp://hdl.handle.net/1822/47769
DOI10.1111/ics.12415
ISSN0142-5463
e-ISSN1468-2494
Publisher versionhttp://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1468-2494
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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