ARGININE HCL
Arginine HCl, listed on labels as ARGININE HCL, is the salt form of L-arginine, an amino acid. Adding chloride does not make it a plant extract: it forms a salt identified as L-arginine monohydrochloride, a form used when this compound is incorporated into an aqueous or cream-based preparation.
ARGININE HCL: what it is
Arginine HCl, listed on labels as ARGININE HCL, is the salt form of L-arginine, an amino acid. Adding chloride does not make it a plant extract: it forms a salt identified as L-arginine monohydrochloride, a form used when this compound is incorporated into an aqueous or cream-based preparation.
Arginine is related to amino acids found in the body and in protein-containing foods, while arginine hydrochloride is the isolated, standardised compound rather than a blend of plant ingredients. ARGININE HCL should therefore not be confused with an oil, extract, or hydrolysed arginine protein; the label refers to the specific L-arginine form paired with chloride.
ARGININE HCL: what it does in cosmetics
In cosmetics, ARGININE HCL is used for skin conditioning. In everyday terms, that means it can contribute to a formula designed to leave skin feeling more comfortable and less rough to the touch; this role alone does not treat a skin condition or determine the finished product's result.
One open human study tested a 2.5% arginine hydrochloride ointment for four weeks and found increased urea in the stratum corneum together with rising skin moisture. That finding belongs to that ointment and follow-up, including people with atopic dermatitis or dry ageing skin, and it cannot predict the same effect from every cosmetic that lists ARGININE HCL.
Products containing this ingredient
See which products include it and the name used in each composition.
