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KMID : 0604520180440020141
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Journal of the Society of Cosmetic Scientists of Korea
2018 Volume.44 No. 2 p.141 ~ p.149
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Effect of the Coacervate Systems in Shampoo Formulation on Hair Damage
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Son Seong-Kil
Kim See-Won
Park Moo-Kyung
Song Sang-Hoon
Park Su-Jin
Hwang Seong-Lok
Lee Sang-Min
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Abstract
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The structure of the coacervate can dramatically influence deposition on the hair. The purpose of this study was to investigate the effect of coacervate with a relatively fine and uniform structure on the surface properties of hair and its influence on hair damage. In this study, coacervates of different sizes were explored in 10% shampoo solutions; one solution contained coacervates with non-uniform sizes (10 - 300 μm average), and the other solution formed a coacervate with a fine and uniform (1 - 3 μm) structure. To study the effect of shampoo on the physical properties of hair and damage to the hair, the hair breakage characteristics, color changes, friction properties, lipid contents and hair surface were examined after using two different types of shampoo. The results clearly show that the relatively fine and uniformly sized coacervate was evenly deposited over the surface of the hair. As a result, the coacervate system can substantially influence the surface properties of the hair such as hair friction, breakage characteristics, and color. The frictional force was dramatically reduced. The use of a fine and uniformly sized coacervate can notably improve hair surface properties. Consequently, hair breakage decreased, and the effect of the coacervate on hair damage was remarkably high.
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KEYWORD
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hair treatment, polymers, shampoo, fine coacervate, hair damage
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