# The INKEY List Polyglutamic Acid Serum for combination skin

**Lovi Fit: High fit for combination skin.**
Combination Skin Fit: High · Effectiveness: High · Safety: High.

Page: https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Arab Emirates.

Brand: [The INKEY List](https://lovi.care/skincare/ae/brands/the-inkey-list)
Category: [Moisturizers and moisturizing serums](https://lovi.care/skincare/ae/best/moisturizers)

This fit is calculated for the concerns frequently associated with combination skin: an oily T-zone, enlarged pores, and dry cheeks. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

One of the best moisturizers for combination skin.

## Why this fit

- Offers excellent hydration for your combination skin, as polyglutamic acid and glycerin provide humectant action without feeling heavy, effectively addressing oily shine.
- The formula is well-suited for your skin type, with dimethicone and polysilicone-11 offering a lightweight, non-greasy feel.
- The safety profile is excellent, with no harsh ingredients that could cause irritation for your combination skin.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/oily-skin): High
- [Dry skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/dry-skin): Superior
- [Combination skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin): High (this page)
- [Sensitive skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/sensitive-skin): High
- [Acne-prone skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/acne-prone-skin): High
- [Skin with dark spots](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/dark-spots): High
- [Mature skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/mature-skin): High
- [Dry sensitive skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/dry-sensitive-skin): High
- [Oily acne-prone skin](https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/oily-acne-prone-skin): High

## Key ingredients

Polyglutamic Acid, Glycerin, Dimethicone, Butylene Glycol, Rice Bran Extract

## What the research says

- A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women. ([Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/))
- Poly-gamma-glutamic acid derived from a novel Bacillus subtilis strain dose-dependently increased skin barrier markers, hyaluronic acid synthesis, and aquaporin 3 expression in keratinocytes, and elevated filaggrin, involucrin, CD44, and aquaporin 3 expression in a reconstructed skin model compared to the control. ([International Journal of Molecular Sciences, 2025](https://pubmed.ncbi.nlm.nih.gov/39940752/))
- Curcumin-loaded polyglutamic acid and gum arabic electrospun nanofibers accelerated wound healing, increased TGF-beta1 and VEGF expression, reduced inflammatory factors, and enhanced re-epithelialization and tissue regeneration in a mouse model with acute full-thickness skin defects. ([International Journal of Biological Macromolecules, 2024](https://pubmed.ncbi.nlm.nih.gov/38554903/))
- Polyglutamic acid and polylysine composite hydrogels promote wound repair and hemostasis through high water absorption, bioadhesion, calcium ion-mediated coagulation factor activation, and inherent antibacterial properties in a deep skin defect model. ([Macromolecular Bioscience, 2021](https://pubmed.ncbi.nlm.nih.gov/33656254/))
- The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol. ([Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31532576/))
- Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant. ([International Journal of Cosmetic Science, 2001](https://pubmed.ncbi.nlm.nih.gov/18498456/))
- Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects. ([Journal of Drugs in Dermatology, 2012](https://pubmed.ncbi.nlm.nih.gov/22206073/))
- Wearing an N95 mask alone compared to using dimethicone cream or hydrocolloid dressing caused more adverse skin reactions among 73 military health care workers, with no significant differences in fit test failure rates between groups. ([Military Medicine, 2024](https://pubmed.ncbi.nlm.nih.gov/38771104/))
- A dimethicone skin protectant lotion significantly decreased visual scoring and transepidermal water loss compared to vehicle control and SLS-only treated sites in 12 healthy humans exposed to sodium lauryl sulfate. ([Skin Research and Technology, 2000](https://pubmed.ncbi.nlm.nih.gov/11428946/))
- Treatment with a moisturizer containing dimethicone and glycerine increased epidermal thickness by 0.019 mm, improved barrier function by decreasing transepidermal water loss by 13%, decreased melanin intensity, and induced keratins 6 and 16 in fifteen women with moderately photoaged forearms. ([Clinical and Experimental Dermatology, 2007](https://pubmed.ncbi.nlm.nih.gov/17137484/))
- Topical gel and cream formulations containing niosomes entrapped with rice bran bioactive compounds improved skin hydration, lightening, thickness, roughness, and elasticity in 30 human volunteers over 28 days compared to baseline. ([Pharmaceutical Biology, 2012](https://pubmed.ncbi.nlm.nih.gov/22235888/))
- Gel and cream formulations containing rice bran bioactive compounds entrapped in niosomes increased in vitro antioxidant activity (ORAC values of 20-28 micromol TE/g versus 16-18 micromol TE/g for placebo), enhanced lipid peroxidation inhibition in human sebum by about 1.5 times, and improved in vivo human skin hydration by approximately 3 to 30% depending on the measurement technique. ([Journal of Nanoscience and Nanotechnology, 2011](https://pubmed.ncbi.nlm.nih.gov/21449379/))
- Stirring Nukadoko fermented rice bran beds by hand leads to temporary settlement of microorganisms on human skin with quick shedding. ([FEMS Microbiology Letters, 2023](https://pubmed.ncbi.nlm.nih.gov/37960971/))

## What reviewers say

Based on a very large amount of data, this serum is frequently praised by users with dry or dehydrated skin for its ability to deeply hydrate and create a smooth, glass-like finish that works well under makeup. Many users find it superior to hyaluronic acid for plumping fine lines. A significant number of reviewers, however, note a strong chemical scent and a pump dispenser that can be difficult to control.

- Liked: Deep hydration (mostly mentioned)
- Liked: Excellent makeup base (often mentioned)
- Liked: Smooth/silky finish (often mentioned)
- Disliked: Unpleasant scent (often mentioned)
- Liked: Plumping effect (sometimes noted)
- Disliked: Poor packaging (sometimes noted)
- Disliked: Skin irritation (rarely noted)
- Disliked: Sticky feel (rarely noted)

## How to apply

- Use this moisturizer in your AM and PM routine every day to control shine. Always pair with SPF in the morning.
- Apply this moisturizer after your cleanser and toner, right before your morning SPF.
- Gently press a small amount of the moisturizer into your skin and avoid harsh rubbing. Let it ⏳absorb for a minute.
- Apply the moisturizer on slightly damp skin to help it lock in moisture better. This keeps your combination skin balanced.
- Avoid the eye area when applying the moisturizer. Do a patch test before your first use.
- Video: https://storage.pora.ai/2f72f5d69f07beeafc30237f829efbff.mp4

## Questions and answers

### What makes The INKEY List Polyglutamic Acid Serum a great fit for combination skin?

This serum is a great fit for combination skin because polyglutamic acid and glycerin draw in moisture without feeling heavy, which helps control oily shine. Dimethicone also gives the formula a lightweight, non-greasy feel while keeping your skin calm.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Which ingredients make this serum a good fit for combination skin?

Polyglutamic acid and glycerin make this serum a great fit because they provide lightweight moisture that helps keep oily shine under control. Dimethicone also gives the formula a non-greasy feel that works well for combination skin.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### What does Polyglutamic Acid do for combination skin?

Polyglutamic Acid helps keep combination skin hydrated by locking in moisture and supporting the skin barrier. It is unlikely to feel heavy while boosting hydration for both dry and oily areas.
Sources: [International Journal of Molecular Sciences, 2025](https://pubmed.ncbi.nlm.nih.gov/39940752/)

### What does Glycerin do for combination skin?

Glycerin helps keep combination skin soft and smooth by pulling moisture in and keeping it there. It improves hydration and supports your skin barrier, which is unlikely to cause irritation.
Sources: [The British Journal of Dermatology, 2008](https://pubmed.ncbi.nlm.nih.gov/18510666/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Where does it go in a skincare routine for combination skin?

This treatment goes in the evening routine after cleansing and before moisturizing, which keeps the application simple and safe around sun exposure. Its polyglutamic acid and glycerin provide great hydration without feeling heavy, helping to control oily shine while keeping the skin soft and smooth.
Sources: [International Journal of Molecular Sciences, 2025](https://pubmed.ncbi.nlm.nih.gov/39940752/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Can I use this serum with hyaluronic acid, and in what order?

Yes, you can use this serum with hyaluronic acid, applying the one with the thinner consistency first. Both ingredients provide deep moisture without feeling heavy, so they work well together on combination skin.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### How often should I use it?

This treatment is a great fit for your combination skin and is designed for evening use. It offers excellent hydration without feeling heavy, effectively keeping oily shine under control.
Sources: [Health Science Reports, 2021](https://pubmed.ncbi.nlm.nih.gov/34141902/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Can this serum clog pores, cause breakouts or purging for combination skin?

This serum is unlikely to cause breakouts or clog pores for your combination skin. It features polyglutamic acid and glycerin to provide light hydration that helps manage oily shine without feeling heavy.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Can I use it around the eyes or on my body?

This product is gentle enough to use on the delicate skin around the eyes and on the body because its lightweight formula provides deep hydration without feeling heavy or greasy. Its safe, irritation-free blend of ingredients makes it well-suited for sensitive areas and full-body application alike.

### Is this serum fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

## Alternatives for combination skin

- [innisfree Green Tea Seed Hyaluronic Acid Hydrating Serum](https://lovi.care/skincare/ae/p/innisfree/green-tea-seed-hyaluronic-acid-hydrating-serum/for/combination-skin) — High fit — AED 92.81 at Amazon
- [Isntree Green Tea Fresh Serum](https://lovi.care/skincare/ae/p/isntree/green-tea-fresh-serum/for/combination-skin) — High fit — AED 75.41 at Amazon
- [Revision Skincare Hydrating Serum](https://lovi.care/skincare/ae/p/revision-skincare/hydrating-serum/for/combination-skin) — High fit — AED 333.85 at Amazon

## Pairs well with

- Cleanser: [Fresh Soy Face Cleanser](https://lovi.care/skincare/ae/p/fresh/soy-face-cleanser/for/combination-skin) — Superior fit — AED 84.53 at Amazon
- Hydrating Toner: [Paula's Choice Pore-Reducing Toner](https://lovi.care/skincare/ae/p/paula-s-choice/skin-balancing-pore-reducing-toner/for/combination-skin) — Superior fit — AED 145.00 at Amazon
- Pre-Cleanser: [Shu Uemura Ultime8 Sublime Beauty Cleansing Oil](https://lovi.care/skincare/ae/p/shu-uemura/ultime8-sublime-beauty-cleansing-oil/for/combination-skin) — Superior fit — AED 179.45 at Amazon

## Where to buy

- Amazon.ae: AED 55.05 (https://www.amazon.ae/dp/B09N9ZNP9M?tag=lovi00-21&linkCode=osi&th=1&psc=1)
Prices checked 23 Oct 2026.

## Ingredients

Water, Dimethicone, Butylene Glycol, Bis-Peg-12 Dimethicone, Glycerin, Polymethylsilsesquioxane, Polysilicone-11, Phenoxyethanol, Polyglutamic Acid, 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, Caprylyl Glycol, Hexylene Glycol, Rice Bran Extract
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this fit score: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- United Kingdom: https://lovi.care/skincare/uk/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Ireland: https://lovi.care/skincare/ie/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Germany: https://lovi.care/skincare/de/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- France: https://lovi.care/skincare/fr/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Italy: https://lovi.care/skincare/it/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Netherlands: https://lovi.care/skincare/nl/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Spain: https://lovi.care/skincare/es/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Canada: https://lovi.care/skincare/ca/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Australia: https://lovi.care/skincare/au/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Singapore: https://lovi.care/skincare/sg/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- Saudi Arabia: https://lovi.care/skincare/sa/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin
- United Arab Emirates: https://lovi.care/skincare/ae/p/the-inkey-list/polyglutamic-acid-serum/for/combination-skin (this page)