Reconnection of cysteine in reduced hair with alkylene dimaleates via thiol‐Michael click chemistry
Yuwen Wu,
Ling Ma,
Timson Chen
et al.
Abstract:ObjectivesConventional hair permanent waving (PW) and permanent straightening processes typically involve two steps: reduction, for breaking ‐S‐S‐ bond in cystine into cysteine and oxidation for ‐S‐S‐ bond reconnection. However, it is known that the hair incurs damage during the oxidation step. In this work, we proposed a novel strategy to reconnect reduced disulfide bonds in hair via the thiol‐Michael click reaction, by using a symmetric Michael reagent.MethodsVirgin black Chinese hair was reduced using 8% wt… Show more
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