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The INKEY List

Polyglutamic Acid Hydrating Serum

4.3 · 1095 reviews
1,805 ₽

What it is: A powerful surface hydrator that smooths and plumps the skin and reduces the appearance of fine lines and wrinkles while providing a perfect makeup base.Skin Type: Normal, Dry, Combination, and OilySkincare Concerns: Dryness, Fine Lines and Wrinkles, and Dullness and Uneven TextureFormulation: Lightweight SerumHighlighted Ingredients:- Polyglutamic Acid Complex 3%: A naturally occuring super hydrator that enhances skin moisturization. Ingredient Callouts: This product is also cruelty-free.What Else You Need to Know: Holding four times more moisture than hyaluronic acid, this super hydrator creates a thin breathable film on the surface of the skin, locking in the moisture below while plumping, reducing the appearance of fine lines, brightening, and evening skin tone. It also makes a perfect base for makeup.Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.

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What it is: A powerful surface hydrator that smooths and plumps the skin and reduces the appearance of fine lines and wrinkles while providing a perfect makeup base.Skin Type: Normal, Dry, Combination, and OilySkincare Concerns: Dryness, Fine Lines and Wrinkles, and Dullness and Uneven TextureFormulation: Lightweight SerumHighlighted Ingredients:- Polyglutamic Acid Complex 3%: A naturally occuring super hydrator that enhances skin moisturization. Ingredient Callouts: This product is also cruelty-free.What Else You Need to Know: Holding four times more moisture than hyaluronic acid, this super hydrator creates a thin breathable film on the surface of the skin, locking in the moisture below while plumping, reducing the appearance of fine lines, brightening, and evening skin tone. It also makes a perfect base for makeup.Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.

Customer reviews

5.0
verified purchase
Plumping product

Loved this product so much- I have a combination skin with my T-zone prone to breakouts and the rest of the face prone to become dry and this product was what I needed for my dull face to plump up. Use it on a damp face and it keeps your face plump through the day. No oiliness whatsoever for me. Loved it.

6/17/2026
4.0
verified purchase

I've been using this almost every day for 2 weeks now. In terms of reducing oiliness, it works. I have quite oily skin (t-zone), and this product has made it less oily, although I still get fairly oily by the end of the day. My skin feels plump and smooth after applying it. I have sensitive skin, but am used to acidic actives, and this does not irritate my skin. It does have a strong chemical-ish smell that goes away quickly, but this may put some people off. The product's biggest drawback is that you have to let it set or dry down before applying anything else, otherwise it will pill like crazy. Even after drying down, I have to be careful not to rub anything else on too hard to avoid creating pills. Overall, this has been worthwhile for me and I will continue to use it regularly.

5/7/2026
4.0
verified purchase
Good for normal and normal to dry skin.

It’s a nice light weight product, but not the most hydrating thing I have ever used on my skin. But I am the driest woman on the planet lol. It should br good enough for normal to dry skin though.

2/1/2026
4.0
verified purchase

Okay one star off for the weird smell but when I tell you nothing worked for my flaky forehead. I tried everything. Any facial spray+ectoin and then this to seal it in. I can finally go more than a few hours without my forehead itching and dry. 1 star off for the weird smell

12/30/2025
5.0
verified purchase
Better than HYA

PGA and HYA are a match made in heaven for my skin, but if I had to pick one this would be an easy winner. I definitely do not drink enough water, and by extension my skin is on the drier side. I find that my skin can’t handle thicker moisturizers without becoming oily, so lighter serums and moisturizers are what have worked best for me. Since adding this to my routine I’ve finished 3 bottles and saw a noticeable improvement in how radiant and smooth my skin is within a week of starting my first bottle. I prefer to use this under HYA and then followed by cream moisturizer at night and I love how my skin looks and feels in the morning. I will also reach for this product when my skin is sensitive and if my PCOS is causing any acne flare ups.

11/23/2025
5.0
verified purchase
So hydrating

I am so in love with this. I have super dry skin and products like this give hydration and an amazing glow under my makeup! Absolutely in love and will most definitely purchase again. Also used this alone with no other products and still felt hydrated

5/22/2025
3.0
verified purchase
No formula really is awful

WOAH I see what the reviews about the new formula are saying. I bought this product for the first time in February and have LOVED IT. Haven't had a day of dry skin since. But recently I ordered more and I get what people are saying, it is definitely different -- I compared them back to back and the new formula (1) does truly smell awful and (2) is grainy - like a light version of using a physical exfoliant when you put it on. Not ideal for my sensitive skin. Really bummed because I loved this serum but seems like they've changed it for the worst.

4/1/2025
2.0
verified purchase
Changed formula

I would have given this 5 stars but they quietly changed the formulation. The original has been my favourite, it was hydrating, a perfect base under makeup, never pilled just absorbed right in. This new formula isn’t it, and I’ll be trying to find something comparable to the original

2/27/2025
5.0
verified purchase

makes my makeup look amazing and my makeup doesnt budge all day

2/15/2025
1.0
verified purchase
Stinks and made my skin worse...

I don't normally write negative reviews, but to save you some money this product (1) smells like nail polish remover? (2) Made my skin drier and broke me out. Save your money. There is much better serums for cheaper. Kinda shocked people actually enjoyed this product.

3/13/2026