Hair waving method using acidic reducing solution containing alcohol amine sulfite
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
May 10, 1996
filing date -
May 10, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process and composition for waving or straightening hair by treating the hair with an acidic reducing solution containing an amine sulfite, having a pH in the range of 5.0 to 6.95, followed by applying an alkaline oxidizing solution containing hydrogen peroxide, and having a pH in the range of 7.50 to 10.0 The process and composition solves certain problems which are commonly encountered in waving or straightening products, such as loss of hair color, and hair damage.
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