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Polyglutamic Acid Serum against a purple background with some product leaking down the bottle
2 images of a model's face side by side to show before and after using Polyglutamic Acid Serum once
Polyglutamic Acid How to layer in your routine
Polyglutamic Acid Serum pack shot annotated with bottle sizes and how and when to use it
Polyglutamic Acid Serum goop shot with text overlay listing the 3 main benefits of Polyglutamic Acid Serum

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FREE Mask at cart
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Polyglutamic Acid Serum + Travel Size

4.5 out of 5
(4.5) 157 Reviews

Choose your
FREE Mask at cart
worth up to
€10.99

Polyglutamic Acid Serum against a purple background with some product leaking down the bottle
2 images of a model's face side by side to show before and after using Polyglutamic Acid Serum once
Polyglutamic Acid How to layer in your routine
Polyglutamic Acid Serum pack shot annotated with bottle sizes and how and when to use it
Polyglutamic Acid Serum goop shot with text overlay listing the 3 main benefits of Polyglutamic Acid Serum

Lock in moisture for smooth skin instantly

€14,99 / 30ml + 15ml

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Polyglutamic Acid Serum + Travel Size

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A powerful hydrator for the skin's surface, Polyglutamic Acid can hold 4x more moisture than Hyaluronic Acid, locking in moisture and helping the skin appear instantly smoother.

This 3% high molecular weight amino polymer is specifically designed to enhance skin moisturization on the surface. This helps to reduce the appearance of fine lines, as well as brighten and even skin tone. The lightweight silky texture of Polyglutamic Acid Serum creates a perfect make-up canvas.

Includes a 15ml version which is perfect for weekends away and over night trips.

When to apply

  • AM
  • PM

Suitable for

  • Everyone

Targets

  • Dry skin
  • Dehydrated skin
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Cosmopolitan
average rating 4.5 out of 5
Based on 157 reviews
  • 5 Stars
    114 Reviews
  • 4 Stars
    20 Reviews
  • 3 Stars
    11 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    8 Reviews
87% of reviewers would recommend this product to a friend
Feel / Texture
Rated 4 out of 5
Quality
Rated 4 out of 5
Results
Rated 4 out of 5
Customer photos and videos
157 Reviews
Reviewed by Penny C.
Verified Buyer
I recommend this product
Age Range
45 - 54
Skin Type
Dry
Skin Concerns
  • Dryness
  • Texture
  • Fine Lines and Wrinkles
Rated 5 out of 5
Review posted

Magic in a bottle

Since adding this to my routine my skin is so smooth and evened-out. I use it along with the hyaluronic acid and this product is a game changer.

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Feel / Texture
Rated 5 out of 5
Quality
Rated 5 out of 5
Results
Rated 5 out of 5
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Reviewed by Maia K.
Verified Buyer
I don't recommend this product
Age Range
18 - 24
Skin Type
Dry
Skin Concerns
  • Dryness
Rated 1 out of 5
Review posted

Caused sensitivity

my cheeks get almost immediately red, hot to the touch and tingly. (did a patch test, wasn’t a problem there)

The product has a really nice texture tho

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Feel / Texture
Rated 5 out of 5
Quality
Rated 3 out of 5
Results
Rated 1 out of 5
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The INKEY List EU

Hi there, we are really sorry to hear that! We take possible reactions seriously - Please reach out to us at ask@theinkeylist.co.uk so we can look into this further for you.

Best wishes,
The INKEY list

Reviewed by Heidi v.
Verified Buyer
I recommend this product
Age Range
35 - 44
Skin Type
Combination
Skin Concerns
  • Fine Lines and Wrinkles
  • Blackheads
  • Texture
  • Under Eye Circles
  • Dryness
Rated 5 out of 5
Review posted

Smell

The smell of this always throws me off. But i love the serum , one of my faves .

You get used to the smell

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Feel / Texture
Rated 5 out of 5
Quality
Rated 5 out of 5
Results
Rated 5 out of 5
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Reviewed by Tegan G.
Verified Buyer
I recommend this product
Age Range
25 - 34
Skin Type
Combination
Skin Concerns
  • Breakouts
  • Oiliness
  • Fine Lines and Wrinkles
  • Dryness
  • Plumping
Rated 5 out of 5
Review posted

Love this stuff!

I'm a big fan of serums and know that most of them take about 6 weeks to start working. This one... immediate results! Plump but not greasy skin, perfect for under a sunscreen. Obsessed!

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Feel / Texture
Rated 5 out of 5
Quality
Rated 5 out of 5
Results
Rated 5 out of 5
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Reviewed by Meliana S.
Verified Buyer
I recommend this product
Age Range
35 - 44
Skin Type
Normal
Skin Concerns
  • Hyperpigmentation
  • Fine Lines and Wrinkles
  • Dryness
  • Plumping
  • Texture
Rated 4 out of 5
Review posted

Loving the texture of my skin!

It's strange that the price of one unit of Polyglutamic Acid Serum and the price of the same thing plus a bonus travel size one is exactly the same. I love this product! It makes my skin feel incredibly smooth but not in the annoying shiny way. In fact, it's quite matte/dewy. My skin drinks this up like there's no tomorrow, so I feel that I have to use more than the recommended pea size. And that can get quite pricey! It plays well with other products from other brands too. Wonderful!

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Feel / Texture
Rated 5 out of 5
Quality
Rated 5 out of 5
Results
Rated 5 out of 5
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Reviewed by liz s.
Verified Buyer
I recommend this product
Age Range
45 - 54
Skin Type
Combination
Skin Concerns
  • Redness
  • Texture
  • Fine Lines and Wrinkles
  • Dryness
Rated 5 out of 5
Review posted

It really does improve hydration

slightly odd smell - not unpleasant, just unusual. from the second or third time I used it - I saw a definite improvement in my skin.

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Feel / Texture
Rated 5 out of 5
Quality
Rated 5 out of 5
Results
Rated 4 out of 5
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