An amino acid. It works as a moisturizing skin conditioner and a source of amino acids. Well tolerated.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
An amino-acid conditioner. Safe.
Ornithine HCl is a salt form of the amino acid ornithine, a participant in nitrogen metabolism. INCI: Ornithine HCl. In cosmetics it works as a humectant and conditioning agent, holding water and supporting skin softness, often alongside other amino acids. Its standalone activity is mild, and topical clinical data on a marked skincare effect are limited. It is a supporting component of the natural moisturizing factor rather than a lead active. Pregnancy safety. Topical use, low systemic absorption, no evidence of harm. It can be used during pregnancy and lactation. Tolerance. Irritation and allergen potential are low, suitable for sensitive skin.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Ornithine HCl is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Ornithine HCl suits: normal, dry, combination, oily, sensitive.
An amino acid.
The INCI name is Ornithine HCl. It may also appear as: Орнитин гидрохлорид, Ornithine Hydrochloride.
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