---
product_id: 397972001
title: "Polyglutamic Acid Serum, Face Serum to Moisturize Dry Skin, Reduce Fine Lines and Boost Radiance, 1.01 fl oz"
brand: "the inkey list"
price: "¥3958"
currency: JPY
in_stock: true
reviews_count: 8
category: "The Inkey List"
url: https://www.desertcart.jp/products/397972001-polyglutamic-acid-serum-face-serum-to-moisturize-dry-skin-reduce
store_origin: JP
region: Japan
---

# 3% Polyglutamic Acid complex Smooths & blurs fine lines 4x moisture retention vs HA Polyglutamic Acid Serum, Face Serum to Moisturize Dry Skin, Reduce Fine Lines and Boost Radiance, 1.01 fl oz

**Brand:** the inkey list
**Price:** ¥3958
**Availability:** ✅ In Stock

## Summary

> 💧 Unlock your skin’s ultimate glow with next-level hydration!

## Quick Answers

- **What is this?** Polyglutamic Acid Serum, Face Serum to Moisturize Dry Skin, Reduce Fine Lines and Boost Radiance, 1.01 fl oz by the inkey list
- **How much does it cost?** ¥3958 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/397972001-polyglutamic-acid-serum-face-serum-to-moisturize-dry-skin-reduce)

## Best For

- the inkey list enthusiasts

## Why This Product

- Trusted the inkey list brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Silky Smooth Canvas:** Lightweight texture perfect for flawless makeup application every time.
- • **Age-Defying Radiance:** Visibly reduces fine lines and wrinkles, giving you a youthful, glowing complexion.
- • **Dual-Use Daily Essential:** Use morning and night to maintain balanced, radiant skin that stands out in any boardroom or brunch.
- • **Hydrate Like Never Before:** Locks in 4x more moisture than traditional hyaluronic acid for instantly plump, dewy skin.
- • **Advanced Moisture Technology:** Powered by a 3% high molecular weight amino acid polymer for superior skin hydration.

## Overview

The INKEY List Polyglutamic Acid Serum is a cutting-edge hydrating serum featuring 3% polyglutamic acid, a powerful amino acid polymer that holds 4 times more moisture than hyaluronic acid. Designed to smooth fine lines, even skin tone, and create a silky base for makeup, this lightweight formula is ideal for daily AM and PM use to boost skin radiance and moisture retention.

## Description

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 creates a perfect make-up canvas.

Review: So far so good - I like it…I just don’t like the smell
Review: Very bad smell - Bad smell didn't do anything to my skin

## Features

- The INKEY List Polyglutamic Acid Serum. 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.
- Blur Fine Lines & Wrinkles. The lightweight silky texture creates a perfect make-up canvas. It enhances skin moisture, reduces the appearance of fine lines, and evens out skin tone.
- Powerful Ingredients, Real Results. ​3% Polyglutamic Acid complex is a natural high molecular weight amino acid polymer designed to enhance skin moisturization. 2% invisaskin maintains moisture levels in the skin.
- How To Use It. Use in AM & PM. After cleansing and hydrating with Hyaluronic Acid Serum, gently apply a pea-sized amount of Polyglutamic Acid Serum onto the face and neck.
- Your Needs, Our Knowledge. We believe that better knowledge powers better decisions. Skincare is a journey, and we are in it together.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09N9ZNP9M |
| ASIN  | B09N9ZNP9M |
| Best Sellers Rank | #22,886 in Beauty ( See Top 100 in Beauty ) #674 in Facial Day Care |
| Customer reviews | 4.4 4.4 out of 5 stars (1,260) |
| Date First Available  | 15 January 2022 |
| Item model number | IF017KE |
| Item model number  | IF017KE |
| Manufacturer | Be For Beauty |
| Manufacturer  | Be For Beauty |
| Package Dimensions | 13 x 5.5 x 4.2 cm; 82 g |
| Package Dimensions  | 13 x 5.5 x 4.2 cm; 82 g |

## Product Details

- **Product benefits:** Smoothening,Even Skin Tone,Moisturizing
- **Scent:** Aloe
- **Skin type:** Normal
- **Special ingredients:** Hyaluronic Acid
- **Use for:** Face

## Images

![Polyglutamic Acid Serum, Face Serum to Moisturize Dry Skin, Reduce Fine Lines and Boost Radiance, 1.01 fl oz - Image 1](https://m.media-amazon.com/images/I/51DGfr7dGHL.jpg)

## Questions & Answers

**Q: Would this be good for hydrating before applying makeup, instead of using a  thick  moisturizer?**
A: I believe it is superior. It soaks into the skin and doesn't leave a greasy feel to my skin.

**Q: Full ingredient list please?**
A: Here's the ingredients list: Water (Aqua / Eau), Dimethicone, Butylene Glycol, Bis-PEG-12 Dimethicone, Glycerin, Polymethylsilsesquioxane, Polysilicone-11, Phenoxyethanol, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Propanediol, Coco-Glucoside, Sodium Benzoate, Hydroxyethylcellulose, Polysorbate 80, Ethylhexylglycerin, Potassium Sorbate, Decyl Glucoside, Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer, Sorbitan Oleate, Trisodium Ethylenediamine Disuccinate, Polyglutamic Acid, Caprylyl Glycol, Hexylene Glycol, Oryza Sativa (Rice) Bran Extract

**Q: Hi, long does this last? Thanks**
A: It should last one month but i use mine liberally in my neck and chest so doesn’t last me a full month i also use it twice a day

**Q: Is this product oil free?**
A: Yes. I found it dries up very quickly after you use it. You only need a little. It goes a long way.

## Customer Reviews

### ⭐⭐⭐⭐ So far so good
*by R***. on 8 May 2024*

I like it…I just don’t like the smell

### ⭐ Very bad smell
*by H***Y on 31 December 2024*

Bad smell didn't do anything to my skin

### ⭐ Not good
*by A***R on 7 May 2024*

It does not moisturize well as advertised

## Frequently Bought Together

- The INKEY List Polyglutamic Acid Serum, Face Serum to Moisturize Dry Skin, Reduce Fine Lines and Boost Radiance, 1.01 fl oz
- The INKEY List Hyaluronic Acid Serum, Hydrate Multiple Layers of Dry Skin, Plump and Smooth Fine Lines and Wrinkles, 1.0 fl oz
- The INKEY List Bio-Active Ceramide Moisturiser 1.7fl oz/50ml, Anti-Ageing Skincare, 24-Hour Hydration Cream, Vegan Friendly, Suitable For All Skin Types

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*