Ethyl Lauroyl Arginate HCl
Ethyl-N-alpha-lauroyl-L-arginate hydrochloride (LAE)
Cationic broad-spectrum preservative effective against bacteria, yeast and mould at low levels. EU Annex V restricts concentration to 0.4% and excludes lip, oral and mucous-membrane-exposure and spray applications. Can be irritating to eyes/mucosa at higher levels.
Function & Common Use
Preservative (broad-spectrum antimicrobial)
Preservative / Antimicrobial
Deodorants, some rinse-off and leave-on skincare, wet wipes
Derived from lauric acid, L-arginine and ethanol
Concentration Limits
No specific limit under CR 2020 in source checked
0.4% as a preservative; not permitted in lip products, oral-care products or products that may lead to exposure of the end user's mucous membranes, or in sprayable applications (per Annex V restrictions)
No specific 21 CFR cosmetic limit identified in source checked
Per MFDS preservative limit (about 0.4%)
Baby restriction: Use with caution; assess mucous-membrane exposure per Annex V restrictions
Pregnancy: No specific restriction identified in source checked; standard cosmetic use
Frequently Asked Questions
Is Ethyl Lauroyl Arginate HCl safe to use in skincare?
Ethyl Lauroyl Arginate HCl has a Medium concern rating. Cationic broad-spectrum preservative effective against bacteria, yeast and mould at low levels. EU Annex V restricts concentration to 0.4% and excludes lip, oral and mucous-membrane-exposure and spray applications. Can be irritating to eyes/mucosa at higher levels.
Is Ethyl Lauroyl Arginate HCl allowed in India?
Ethyl Lauroyl Arginate HCl is currently classified as "Regulated as a cosmetic ingredient/preservative under CR 2020; verify permitted-preservative listing" under Indian cosmetics regulations. The maximum permitted concentration is No specific limit under CR 2020 in source checked.
What is Ethyl Lauroyl Arginate HCl used for in cosmetics?
Ethyl Lauroyl Arginate HCl functions as: Preservative (broad-spectrum antimicrobial). It is commonly found in: Deodorants, some rinse-off and leave-on skincare, wet wipes.
Is Ethyl Lauroyl Arginate HCl safe for babies?
Ethyl Lauroyl Arginate HCl has baby/child restrictions: Use with caution; assess mucous-membrane exposure per Annex V restrictions. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: Annex V entry 58
Identifiers
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