Join date: Nov 3, 2022


Cysteine treatment is a type of protein treatment that can be used to help repair damaged hair. Cysteine is an amino acid that is found in proteins, and it can help to repair damage by filling in gaps in the hair shaft. This type of treatment can be used on all types of hair, but it is particularly helpful for those with damaged or dry hair. Cysteine treatments can be done at home or at a salon, and they typically last for about an hour.


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