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Skincyclopedia Face Serum with 3% Polyglutamic Acid
Skincyclopedia

Skincyclopedia Face Serum with 3% Polyglutamic Acid

Efficacy75/100IrritancyLow
See all ingredients

Works for

Moisturizing
Polyglutamic acid, Propylene glycol + 1 more
Works
What the product description says
“SUPER POWERFUL PEPTIDE MOISTURIZER – the serum provides an instant boost of intense moisture for visible results , plump and glowing skin.”
Source: Sephora UK

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": polyglutamic acid, butylene glycol.

When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

Polyglutamic acidKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin.~3.3–5%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~5–7.4%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~2.3–3.5%

Can it cause trouble?

Irritancy
2 flagged ingredients
Low risk
We flag 2 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~5–7.4%est.
Ppg-1-peg-9 lauryl glycol etherHelps oil and water mix togetherMedium~0.15–0.5%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

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Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Propylene glycol~5–7.4%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Polyglutamic acid~3.3–5%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin.

More about Polyglutamic acid
Butylene glycol~2.3–3.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Phenoxyethanol~0.5–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Hydroxyethylcellulose~0.2–0.8%
Formula
Irritation risk
Low

Used to thicken product formulations and create gel-like textures

More about Hydroxyethylcellulose
Ppg-1-peg-9 lauryl glycol ether~0.15–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Ppg-1-peg-9 lauryl glycol ether
Ingredient list view

Water, Propylene glycol, Polyglutamic acid, Butylene glycol, Phenoxyethanol, Hydroxyethylcellulose, Ppg-1-peg-9 lauryl glycol ether

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
SkincyclopediaFace Serum with 3% Polyglutamic AcidYOUR PRODUCTAvoskinYour Skin Bae Panthenol 5% + Mugwort + Cica SerumThe INKEY List CAPolyglutamic Acid SerumBythebeauBabchi Skin Rejuvenating Serum
Match—39%39%39%
Price——$15.25—
Shared key ingredients—1 of 11 of 11 of 1
Key difference—PanthenolDimethiconeSalicylic Acid
Irritancy Low Low Low Low
Drying alcohol————
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Product summary

"Skincyclopedia - Face Serum with 3% Polyglutamic Acid" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (polyglutamic acid 3.30% - 5.00%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 5 studies and safety reviews.

  1. 1
    Surfactants and experimental irritant contact dermatitisncbi.nlm.nih.gov
  2. 2
    Propylene Glycolpubmed.ncbi.nlm.nih.gov
  3. 3
    Skin-sensitizing and irritant properties of propylene glycolonlinelibrary.wiley.com
  4. 4
    γ‐Polyglutamic Acid Produced by Bacillus Subtilis (Natto): Structural Characteristics, Chemical Properties and Biological Functionalitiesonlinelibrary.wiley.com
  5. 5
    Natural and edible biopolymer poly‐γ‐glutamic acid: synthesis, production, and applicationsonlinelibrary.wiley.com
Skincyclopedia Face Serum with 3% Polyglutamic Acid
SkincyclopediaFace Serum with 3% Polyglutamic Acid
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Find on Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.