Hyaluronic Acid and Polyglutamic Acid K-Beauty

What Polyglutamic Acid Brings to Your Skin

Polyglutamic Acid brings targeted support that complements hyaluronic acid's moisture-drawing ability well. Polyglutamic acid (PGA or gamma-PGA) is a naturally occurring peptide produced by fermenting soybeans , the same fermentation process used to make the traditional Japanese food natto. It is a powerful humectant that can hold up to five times more moisture than hyaluronic acid. While hyaluronic acid pulls water into the upper layers of the skin, polyglutamic acid adds its own gentle benefit to help the skin feel softer, calmer, and more settled throughout the day. Korean brands often combine these two in serums and essences where both ingredients can absorb fully without one blocking the other. The pairing creates a routine step that handles hydration and targeted care at the same time, keeping your steps minimal and your skin comfortable.

• Polyglutamic Acid adds its own targeted skin support
• Hyaluronic acid draws moisture into upper layers
• Korean formulas keep both ingredients working
• One step covers hydration and gentle care

Which Skin Concerns This Pairing Helps

Combining hyaluronic acid with polyglutamic acid creates a product that addresses more than one concern at the same time, which makes your routine more efficient. The hydrating base from hyaluronic acid helps with tightness, dullness, and surface dryness that makes skin look tired. Polyglutamic Acid adds its own set of targeted benefits that complement the moisture layer underneath. Shoppers searching for polyglutamic acid are usually well-informed about hydrating ingredients and may be looking for something more powerful than hyaluronic acid. Together they help the skin look calmer, softer, and more balanced throughout the day. The gentle nature of both ingredients makes this pairing comfortable for skin that reacts easily to stronger actives or heavy, rich textures.

• Addresses tightness and surface dryness
• Polyglutamic Acid adds targeted care for visible concerns
• Calmer, more balanced-looking skin overall
• Gentle enough for reactive or sensitive skin

How These Formulas Feel on the Skin

Products combining hyaluronic acid with polyglutamic acid tend to have a smooth, gel-like texture that glides on easily and absorbs within moments. The hyaluronic acid base gives a slightly slippery feel during application, but it settles quickly without leaving a sticky film behind. PGA serums have a distinctive slightly viscous, gel-like texture that feels silky and smooth. The finish is dewy rather than greasy, with skin feeling plumper, softer, and smoother to the touch after application. These Korean formulas sit well under moisturiser and sun protection without pilling, heaviness, or adding unwanted weight. The result is a calm, fresh, comfortable feeling that lasts through the morning or evening.

• Smooth gel-like texture glides on easily
• Absorbs quickly without a sticky film
• Dewy finish rather than greasy or heavy
• Layers cleanly under moisturiser and SPF

Where This Step Fits in Your Routine

Apply products with hyaluronic acid and polyglutamic acid to damp skin right after toning for the best possible absorption. This step sits between toner and moisturiser in both morning and evening routines. In the morning, it creates a hydrated, calming base under sun protection. In the evening, it supports overnight recovery while you sleep. Always follow with a moisturiser to lock the moisture in place. Hyaluronic acid draws water into the skin effectively, but without a sealing layer on top, that moisture can escape. Both morning and evening use is safe and gives the best steady results.

• Apply to damp skin right after toning
• Use morning and evening for steady results
• Follow with moisturiser to seal moisture in
• Keep the layer thin for full absorption

Scroll up to explore the complete range. Each product here brings soft, lasting moisture your skin holds onto through the day. Find the one that works best for your routine.