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Ingredients not to use with cocamide DEA
What ingredients should we not use with cocamide DEA to keep it safe in Shampoo?
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7 Replies
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There are none. It is safe to use as is. The deal with Cocoamide DEA isn’t the alkanolamide itself but its residual amine monoethanolamine (MEA) that is the Bad Actor.
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@chemicalmatt can you expand more on why is MEA the bad actor?
And in such case, while Cocamide DEA is not unsafe, what are the things to consider when using it because of the residual free ethanolamines?
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It’s all about the nitrosamines.
https://cosmeticsinfo.org/nitrosamines
Not at a level in cosmetics that people have to worry about, but fear mongering prompted the big players in the cosmetic industry to move away from the ingredients. -
@Perry thank you for sharing that
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@chemicalmatt if MEA is the the problem then why cocamide DEA is banned and everyone is seeking alternative for it instead of cocamide MEA?
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@Perry here it says “Nitrosamines may be formed in cosmetic and personal care products only if they contain both an ingredient that acts as a Nitrosating agent and an amine ingredient”.
What is Nitrosating agent?
Does it mean all amines( cocamide DEA, MEA, MIPA, Methyl MEA) or some of them specifically?
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It’s rathe amusing that several amino acids are known to potentially form nitrosamines, but no one sees them a “problem” equally…
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