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Aveda and Color Access Patent Hair Color

December 9, 2005

Patent No. U.S. 6,905,523 B2: Aveda Corporation, Blaine, MN, and Color Access, Inc., Melville, NY, patented a method of dyeing keratinous fibers comprising the steps of pre-soaking the fibers with cluster-modified water and treating the fibers with a hair coloring agent.
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