There are good articles on nc about various topics. I am fortunate that I am married to a scientist so I verify with him. There is one woman who is a polymer chemist who writes articles on silicones, poeosity, etc. I am pretty sure that you can check with grad students at your local college if you really want some general info on how science applies to hair.
about salt...salt dissolves everthing is the rule I always hear. Not sure about how it helps hair.
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About my hair:
weekly shampoo-HE Honey I'm Strong
daily conditioner-HE Honey I'm Strong (use as li)
go to style-Pocahontas braids