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So

Sodium Lauroyl Aspartate

Sodium Lauroyl Aspartate

Aspartic acid joined to lauric acid, as a sodium salt: a cleanser.

What it does

It’s aspartic acid, an amino acid, joined to lauric acid, a fatty acid, as a sodium salt. The EU lists it as a cleanser that also conditions hair.

The evidence, graded

expert consensusUS safety reviewers (2017) looked at 115 ingredients made from amino acids, which condition skin and hair or cleanse. Their index or their list names this one among them. The skin irritation and allergy tests they relied on were of the two used at the highest strengths, lauroyl lysine and sodium lauroyl glutamate. They judged the group safe as used, as long as the product is made not to irritate.Burnett 2017 · International Journal of Toxicology ↗

Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.

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