Arginine

Natural
Synthetic
Bioengineered
Marine
Mineral
Animal-derived
Fermented

Active treatment ingredient

Overview

An amino acid that helps to restore the skin, acts as an antioxidant, and contributes to skin hydration.
Actives/Treatments In skincare, arginine acts as a potent humectant, drawing moisture into the skin to enhance hydration and support a healthy skin barrier. It also functions as a precursor for nitric oxide, improving microcirculation, and stimulates collagen production, which contributes to improved skin elasticity and visible repair of skin damage.

Key Benefits

Provides hydration and barrier repair support

Good For

Suitable for skin types:

Universal

Effective at:

Moisturizing Repairing Anti-aging Strengthening

Safety & Cautions

Arginine is generally well-tolerated by most skin types; however, excessive application of arginine-rich products may rarely cause mild skin irritation, redness, itching, or burning in sensitive individuals.

Korean Skincare Tips For Beginners

Start with one new ingredient at a time to test your skin's reaction

Always patch test new products on a small area first

Layer products from thinnest to thickest consistency

Be patient - Korean skincare focuses on long-term skin

Haramoon skincare products with a dropper on a blue background
pH 5.5 · Vegan · Dermatologist Tested

Born from the Sea. Perfected by Science.

Deep in the coastal waters of Jeju Island, marine botanicals have thrived for centuries in pristine conditions. Our scientists harness these powerful ingredients, combining traditional Korean wisdom with cutting-edge dermatological research.

Each formula is meticulously pH-balanced to work in harmony with your skin's natural barrier, delivering transformative results without compromise.

Vegan
Cruelty-Free
pH Balanced
Sensitive Skin Safe
Discover the full collection