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photo of Anne Marie Helmenstine, Ph.D.

Anne Marie's Chemistry Blog

By Anne Marie Helmenstine, Ph.D., About.com Guide to Chemistry since 2001

Hair Color Chemistry

Tuesday October 14, 2003
Over 75% of women and a growing percentage of men color their hair. Learn about what happens when you bleach hair or use natural, temporary, or permanent haircolor.
Hair Color Chemistry|How Things Work

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