Testing Polysilicone-19 for Hair Conditioning and UV Protection Claims

May 1, 2008 | Contact Author | By: Sascha Herrwerth, Holger I. Leidreiter, Uta Kortemeier, Christian Hartung, Burghard Grüning and Sahar Fakhry-Smith
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Title: Testing Polysilicone-19 for Hair Conditioning and UV Protection Claims
UV protectionx color protectionx hair dye protectionx cationic siloxane copolymerx conditioningx
  • Article

Modern hair treatments have to fulfill technical requirements and high emotional demands. While data on hair combing, tensile strength or fatigue testing are common to support technical claims, the market success of a product is essentially determined by fulfilling those emotional characteristics that are claimed in the advertisement.

In hair care, these emotional aspects are determined mainly by feel and appearance. Both of these parameters are difficult to assay directly by objective methods; they must be scored by sensory assessment and can be supported by a combination of various technical investigations.

In this study, the appearance of hair tresses was evaluated by color measurements, fiber tensile strength and keratin degradation parameters. The type of damage selected for testing purposes was irradiation by ultraviolet/visible (UV/VIS) light, simulating the sun.

Excerpt Only This is a shortened version or summary of the article that appeared in the May 2008 issue of Cosmetics & Toiletries magazine. If you would like a copy of the complete article, please contact us at customerservice@cosmeticsandtoiletries.com.