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Polyglutamic Acid Serum
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Text on a white background explaining how to layer Polyglutamic Acid Serum in a skincare routine with steps listed.
Inredients in Polyglutamic Acid Serum
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Polyglutamic Acid Serum
Person applying lip product with text about Polyglutamic Acid Serum benefits

How to layer Polyglutamic Acid Serum in your routine. Step 1: Cleanse. Step 2: Hyaluronic Acid Serum. Step 3: Polyglutamic Acid Serum. Step 4: Eye Treatment. Step 5: Moisturize. Step 6: SPF

Text on a white background explaining how to layer Polyglutamic Acid Serum in a skincare routine with steps listed.
Inredients in Polyglutamic Acid Serum
Hand with a pea-sized amount of Polyglutamic Acid Serum and text on how to use it.
Before and after comparison of a woman's face with a neutral background

Polyglutamic Acid Serum

Lock in moisture for smooth skin instantly

4.4
Rated 4.4 out of 5 stars
4.4 Stars (474 Reviews)
$23.00 / 30ml

Earn double INKEY Insider points with every order. Offer ends Sunday

What you get: A smoothing serum that locks in moisture and instantly softens the look of fine lines—great for layering and makeup prep.

Why it works: 3% Polyglutamic Acid complex holds 4x more moisture than Hyaluronic Acid. 2% Invisaskin supports long-lasting hydration and smoother skin texture.

How it feels: Silky, lightweight, and smoothing. Absorbs fast.

When to use: AM & PM. Use as your last serum before moisturiser.

Suitable for:

  • All skin types
  • Sensitive skin
  • Pregnancy & breastfeeding

Targets:

  • Dehydrated skin
  • Uneven skin texture

Awards & Features

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This product

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This product

Polyglutamic Acid Serum

Polyglutamic Acid Serum

  • • Locks in hydration on the skin’s surface for smoother, bouncier-looking skin.
  • • Instantly softens fine lines and evens texture—perfect under makeup or worn alone.
  • • Best for sealing in moisture and creating a smooth canvas.

or

Have you tried?

Hyaluronic Acid Serum - 30ml

Hyaluronic Acid Serum - 30ml

  • • Pulls water into the deeper layers of skin for immediate and long-lasting hydration.
  • • Plumps and smooths the look of fine lines while supporting a healthy skin barrier.
  • • Best as your first serum to boost every step that follows.
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4.4
Rated 4.4 out of 5 stars
Based on 474 reviews
Total 5 star reviews: 326 Total 4 star reviews: 76 Total 3 star reviews: 33 Total 2 star reviews: 17 Total 1 star reviews: 22
Reviews Summary
Customers say this serum feels silky and hydrating on the skin, leaving it soft and plump. Many appreciate its lightweight texture and use it as a makeup base, noting it helps foundation apply smoothly and last longer. Users frequently layer it with hyaluronic acid for enhanced moisture retention. While most praise its effectiveness for dry and sensitive skin, several mention a strong chemical or alcohol-like scent. Some report pilling issues when layered with certain products, and a few experienced pump malfunctions. Common feedback includes its versatility for mixing with foundation and its ability to create a dewy, glowing finish.
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474 reviews
  • Hillary W.
    Verified Buyer
    I recommend this product
    Age Range 45 - 54
    Skin Type Sensitive
    Skin Concerns Hyperpigmentation, Fine Lines and Wrinkles, Dryness
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    Awesome Hydrator

    I love both the consistency and the results of this thicker than water serum. I put it on after my other watery serums and my face is more hydrated with consistent use. It has no fragrance and great ingredients.

    Was this helpful?
  • Ingo S.
    Verified Buyer
    I recommend this product
    Age Range 45 - 54
    Skin Type Normal
    Skin Concerns Plumping, Puffiness, Dryness, Under Eye Circles
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    3 weeks ago
    Great Product

    Make the job like it should 😀

    Was this helpful?
  • Ari A.
    Verified Buyer
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Fine Lines and Wrinkles, Under Eye Circles, Redness, Dryness, Oiliness
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1-3 weeks
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 month ago
    This enhances and smoothens skin 10/10

    This the first Polyglutamic Acid Serum I've bought and it is now my go-to-hydration-serum. You can feel the difference within the first week and the skin feels extremely soft, light and firm - I think the skin looks also significantly better after using this. I combine Niacinamide Serum, Vitamin C and Hyaluronic Acid Serum in my morning routine with this new Serum - I just love it.

    Was this helpful?

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