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Dongsung Pharm wins patent for UV-blocking hair dye
Published: 2007-01-16 06:56:00
Updated: 2007-01-16 06:56:00
Dongsung Pharm said it has acquired a patent for preparing a novel hair-dye product with UV-blocking activities that may make the dyed hair soft and brilliant.
According to the company, the dye polymers incorporated in the hair may effectively prevent the decomposition of the dyed hair for a longer period of time.
Current hair dyes and dying systems involve harsh chemicals, such as oxidiz...
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