Permanent hair dye - PowerPoint PPT Presentation

Chemistry for Cosmetics

Chemistry for Cosmetics. Dr Lida Schoen Amsterdam. Human skin. ‘Dirt’ on the skin. water soluble (sweat); oil soluble (sebum, grease); non soluble (sand, skin flakes). Rubbing with water and soap can remove all three. Cleaning the skin: water and soap. Washing dirt from textiles.

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7.44k views • 46 slides

Chemistry for Cosmetics

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866 views • 46 slides

Gan Eng Seng School Team 1

Gan Eng Seng School Team 1. Republic Polytechnic Scientific Thinking Programme 2008. The comparison of different brands of hairdye and their effects of human hair. Aim and Hypothesis.

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283 views • 11 slides

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