Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 222, Issue -, Pages 461-487Publisher
ELSEVIER
DOI: 10.1016/j.cis.2014.05.007
Keywords
Polymers; Surfactant; Cosmetic; Surfaces; Hair
Categories
Funding
- L'Oreal S.A.
- MINECO [FIS-2012-38231-C02-01]
- EU under Marie Curie ITN CoWet
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The use of polymer and polymer - surfactant mixturesfor designing and developing textile and personal care cosmetic formulations is associated with various physico-chemical aspects, e.g. detergency and conditioning in the case of hair or wool, that determine their correct performances in preserving and improving the appearance and properties of the surface where they are applied. In this work, special attention is paid to the systems combining polycations and negatively charged surfactants. The paper introduces the hair surface and presents a comprehensive review of the adsorption properties of these systems at solid-water interfaces mimicking the negative charge and surface energy of hair. These model surfaces include mixtures of thiols that confer various charge densities to the surface. The kinetics and factors that govern the adsorption are discussed from the angle of those used in shampoos and conditioners developed by the cosmetic industry. Finally, systems able to adsorb onto negatively charged surfaces regardless of the anionic character are presented, opening new ways of depositing conditioning polymers onto keratin substrates such as hair. (C) 2014 Elsevier B.V. All rights reserved.
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