Effect of hair damage on the colour uptake of an oxidizing semi-permanent colorant |
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Authors: | S Y Cheng C W M Yuen C W Kan K K L Cheuk |
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Institution: | (1) Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China |
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Abstract: | Further our previous study on the hair damages, this paper investigated the effect of three different hair damaging treatments
on the coloration effect with an oxidizing semi-permanent colorant. The three damaging treatments are (i) sunlight (simulated
by Xenon light), (ii) perming, and (iii) bleaching. The colour uptake was evaluated differently with conventional method by
CIE L*a*b* system of equation. In addition, the colour fastness properties of colored hairs to different simulated daily treatment
such as (i) hair washing, (ii) hair perming, (iii) sunlight exposure, and (iv) swimming in the sea were also examined. Based
on the experimental results, It could be concluded that the hair treatment with bleaching could improve the colouring performance
because of the elimination of melanin from hair. Meanwhile, the colour fastness properties of the colored hair under different
colour fastness testing conditions were getting worse with respect to the increasing degree of damaging treatment. |
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Keywords: | Hair damage Colorant Colour fastness Colour uptake |
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