Arginine
Amino acid; participates in collagen synthesis and acts as a pH regulator replacing synthetic alkalis. In skin formulas works as a mild humectant.
Moisturizing
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Safe pH regulator and auxiliary humectant. Standalone clinical skin effects are limited.
- CIR Expert Panel. Int J Toxicol. 2006;25 Suppl 1:95-107.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
NormalDryOilyCombinationSensitive
Frequently asked questions
Is Arginine safe during pregnancy?
Arginine is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Arginine for?
Arginine suits: normal, dry, oily, combination, sensitive.