This serum focuses on surface hydration, using polyglutamic acid to draw moisture into the skin. It aims to plump, smooth, and reduce the appearance of fine lines, making it a good option for those seeking immediate hydration and a smoother skin texture.
Sephora price
$16.00
Price matters most when you are trying to learn whether this lane belongs in your routine without turning the test into a luxury gamble.
Sephora reviews
4.3 / 5
About 1,092 reviews on the current Sephora source, so there is real volume behind the reputation.
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Glass take
4.3 / 5 overall fit
A straightforward hydrator that plumps and smooths, making it a good choice for dry or textured skin.
Sephora snapshot refreshed April 23, 2026
Price, rating, review count, and source status come from Sephora. Glass adds the routine fit, overlap risk, and what to compare next.
View SephoraWhat Sephora says
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.
Use AM and PM.
Apply a pea-sized amount to cleansed face and neck, avoiding the eye area.
Use after serums and before moisturizer.
External use only.
What Glass adds
A solid, no-frills hydrator. It excels at providing immediate surface hydration and a smooth canvas, but don't expect deep, long-term barrier repair from this alone.
Makeup prep
Many users find this serum creates a perfect, smooth base for makeup application, preventing foundation from settling into dry patches.
Instant plumping
Users appreciate the immediate plumping effect, which makes skin look more supple and youthful.
Best for
Skip if
Routine fit
Apply this serum after your treatment steps (like actives or essences) but before your moisturizer. It can be used both morning and night. Ensure your skin is clean before application.
Why it works
The useful question is not whether this product is good in a vacuum. It is whether it makes your routine easier to run or just adds one more bottle with a familiar ingredient on it.
What it actually does well
Where it starts to feel redundant
Routine fit
Morning and Night
This serum is suitable for both AM and PM use. In the morning, it can help create a smooth base for makeup. At night, it adds an extra layer of hydration.
Glass rating
A straightforward hydrator that plumps and smooths, making it a good choice for dry or textured skin.
Hydration
4.5 / 5
Delivers noticeable surface hydration, plumping the skin and reducing the look of fine lines.
Texture
4.2 / 5
The serum has a smooth, silky feel that layers well under makeup and other skincare.
Full ingredient breakdown
Solvent
Badness
0.0 / 10
The base for most skincare formulations.
Usually helps with
Hydration
Watch for
Emollient
Badness
1.0 / 10
A silicone that provides a smooth, silky feel and can help lock in moisture.
Usually helps with
Smoothing, occlusive
Watch for
Can feel heavy on oily skin; potential for pore-clogging for some.
Humectant
Badness
1.0 / 10
A common solvent and humectant that helps ingredients penetrate the skin and draws moisture to it.
Usually helps with
Hydration, penetration
Watch for
Can be irritating in high concentrations.
Emulsifier
Badness
1.0 / 10
Helps to mix oil and water components in a formula, also contributes to a smooth skin feel.
Usually helps with
Emulsifying, smoothing
Watch for
Humectant
Badness
0.0 / 10
A classic humectant that draws water into the skin, improving hydration.
Usually helps with
Hydration
Watch for
Film Former
Badness
1.0 / 10
A silicone derivative that can create a smooth, matte finish on the skin.
Usually helps with
Smoothing, mattifying
Watch for
Emollient
Badness
1.0 / 10
A silicone that provides a smooth, non-greasy feel and can help with product spreadability.
Usually helps with
Smoothing, spreadability
Watch for
Preservative
Badness
2.0 / 10
A common preservative used to prevent microbial growth in cosmetic products.
Usually helps with
Preservation
Watch for
Can be irritating for some individuals.
Active
Badness
0.0 / 10
A powerful humectant that attracts and retains moisture, providing significant surface hydration and plumping the skin.
Usually helps with
Intense hydration, plumping, smoothing
Watch for
Thickener
Badness
0.0 / 10
A synthetic polymer used to thicken cosmetic formulations.
Usually helps with
Texture
Watch for
Emollient
Badness
1.0 / 10
A solvent and emollient that helps to spread the product and provides a smooth feel.
Usually helps with
Emollience, spreadability
Watch for
Humectant
Badness
0.0 / 10
A solvent and humectant that enhances skin hydration and improves the absorption of other ingredients.
Usually helps with
Hydration, penetration
Watch for
Surfactant
Badness
0.0 / 10
A mild, plant-derived surfactant used for cleansing and emulsifying.
Usually helps with
Cleansing, emulsifying
Watch for
Preservative
Badness
1.0 / 10
A preservative that helps prevent the growth of bacteria and fungi.
Usually helps with
Preservation
Watch for
Can be irritating for sensitive skin.
Thickener
Badness
0.0 / 10
A cellulose derivative used to thicken water-based formulations.
Usually helps with
Texture
Watch for
Emulsifier
Badness
1.0 / 10
An emulsifier that helps to blend oil and water ingredients.
Usually helps with
Emulsifying
Watch for
Can be a skin irritant for some.
Preservative
Badness
1.0 / 10
A skin-conditioning agent and preservative that enhances the effectiveness of other preservatives.
Usually helps with
Preservation, skin conditioning
Watch for
Preservative
Badness
1.0 / 10
A preservative used to inhibit the growth of mold, yeast, and bacteria.
Usually helps with
Preservation
Watch for
Surfactant
Badness
0.0 / 10
A mild, plant-derived surfactant used for cleansing and foaming.
Usually helps with
Cleansing, foaming
Watch for
Film Former
Badness
1.0 / 10
A polymer that forms a film on the skin, which can help with texture and product adhesion.
Usually helps with
Film forming, texture
Watch for
Emulsifier
Badness
1.0 / 10
An emulsifier that helps to stabilize oil and water mixtures.
Usually helps with
Emulsifying
Watch for
Chelating Agent
Badness
0.0 / 10
A chelating agent that helps to improve the stability and performance of the formula by binding to metal ions.
Usually helps with
Stability
Watch for
Humectant
Badness
1.0 / 10
A humectant and emollient that also has some preservative properties.
Usually helps with
Hydration, preservation
Watch for
Solvent
Badness
1.0 / 10
A solvent and viscosity-decreasing agent.
Usually helps with
Solvent
Watch for
Antioxidant
Badness
0.0 / 10
An extract from rice bran known for its antioxidant and skin-conditioning properties.
Usually helps with
Antioxidant, skin conditioning
Watch for
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FAQ
Polyglutamic acid is a peptide that acts as a powerful humectant, meaning it draws moisture from the air into your skin. It's known for its ability to hold more water than hyaluronic acid, providing intense surface hydration and a plumping effect.
Yes, this serum is designed to layer well with other skincare products. Apply it after your treatment serums and before your moisturizer.
Absolutely. This serum is excellent for dry and dehydrated skin due to its high concentration of polyglutamic acid, which provides significant surface hydration and helps to plump the skin.
