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Sodium Chloride & Hair Loss
As I continue to research into surfactants that thicken with salt, I discovered many articles that claim sodium chloride will cause hair loss. Obviously I don’t want my customers to experience hair loss, so I was very curious about this claim. This seems like a likely source of this concern:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4331618/#CR23It cites Poucher’s Perfumes, Cosmetics, and Soaps:
http://priede.bf.lu.lv/grozs/AuguFiziologijas/Augu_resursu_biologija/gramatas/Perfumes%20Cosmetics%20Soaps.pdfBut as I scanned through the whole section on Cosmetics and Soaps, I found no mention of this claim about salt causing hair loss.
Have you folks heard of this before? Is it real or unsubstantiated?
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4 Replies
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You’re right. There is no mention of that claim. If salt causes hair loss there would be a lot of bald sailors around.
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and in any case, sodium ions from salt in surfactant-based products are bound to the surfactants, so they don’t behave like a solution of salt
there’s an awful lot of people out there who missed that memo, though
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If used in high concentration NaCl will dry the skin and hair which may lead to hair loss.
That still shouldn’t be a problem. Just imagine all we all go to the beach and the salt in the water is probably over 3.5%
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I’m not sure if it causes hair loss per se but it’s definitely not great for hair as it dries your hair out. If used on your scalp, I can imagine that it’s dry out your roots, causing hair loss. Either way, do not use sodium ions or salt-sprays on your hair. I know it gives you that beach-hair look but in my opinion, it’s not worth it and doesn’t look good anyway!
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