Do you need special shampoo after straightening hair?

edited December 2013 in Root
Al asks…I’ve always read that once you have gone for some type of permanent straightening (like Brazilian or keratin one…) you should not use either salt (Sodium Chloride) or sulfates. If I’m right those process change covalent bridges in the hair so, how do sulfates or salt affect then? I’m also curious if per example […]

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