Arginine HCl is the hydrochloride salt of the amino acid L-arginine. In skincare, it functions as a humectant, helping to attract and retain moisture in the skin. It also plays a role in skin repair and collagen production, contributing to overall skin health.
NoneAmino acidVeganEvidence: Medium
BenefitGood 2.5 / 4
Hydration
Texture
Soothing
Uv protection
RiskVery low 0 / 4
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
improves skin hydration
supports skin repair
aids collagen production
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Arginine HCl is a form of the amino acid L-arginine, which is a building block of proteins. In cosmetics, it's used for its hydrating and skin-supporting properties.
How does Arginine HCl benefit the skin?
It acts as a humectant, drawing moisture into the skin, and is involved in the skin's natural repair processes and collagen synthesis, which can improve skin elasticity and reduce the appearance of fine lines.