Ancient Hair-Dyeing – A Nanoscience?

Scientists have discovered that an ancient method used to darken hair, dating back more than 4,000 years, is based on a chemical process that takes place at the nanoscale. This may be one of the earliest examples of nanoscience at work in a practical application.

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<p><a href="http://www.physorg.com/news81427508.html">Ancient Hair-Dyeing – A Nanoscience?</a></p> <p>Scientists have discovered that an ancient method used to darken hair, dating back more than 4,000 years, is based on a chemical process that takes place at the nanoscale. This may be one of the earliest examples of nanoscience at work in a practical application.</p>