Polyglutamic Acid Serum
The Verdict & Review beautydecoded:
Dry skin: Very good
Oily skin: Very good
Anti-aging effectiveness: Very good ⭐
Effectiveness on blemishes: Very good ⭐
Effectiveness on hyperpigmentation: Very good ⭐
Effectiveness on redness: Limited ◼️
Sensitive skin: Limit
Description
AQUA, DIMETHICONE (Silicone), BUTYLENE GLYCOL, BIS-PEG-12 DIMETHICONE (Silicone), GLYCERIN, POLYSILICONE-11 (Silicone), SACCHAROMYCES FERMENT, PHENOXYETHANOL, Sodium acrylate/sodium acryloildimethyl taurate copolymer, ISOHEXADECANE (Mineral Oil), PROPANEDIOL, POLYSORBATE 80 (Nonionic surfactant), SODIUM BENZOATE, HYDROXYETHYLCELLULOSE, LAUROYL LYSINE, COCO-GLUCOSIDE (Nonionic surfactant), ETHYLHEXYLGLYCERIN, POTASSIUM SORBATE, SORBITAN OLEATE, DECYL GLUCOSIDE (Nonionic surfactant), DIMETHYLACRYLAMIDE/ACRYLIC ACID/POLYSTYRENE ETHYL METHACRYLATE COPOLYMER, TRISODIUM ETHYLENEDIAMINE DISUCCINATE, POLYGLUTAMIC ACID (Active), CAPRYLYL GLYCOL, HEXYLENE GLYCOL, ORYZA SATIVA BRAN EXTRACT (Rice)My Doctor's Diagnosis: Analysis and Target
The Inkey List's Polyglutamic Acid serum is primarily intended for skin that lacks moisture, is prone to dehydration, loss of radiance, or fine lines caused by dryness. My analysis of the formulation reveals a clear desire on the part of the brand to target the skin barrier and deep hydration, while offering a sensory texture suitable for all skin types, including the most sensitive. This product is part of a daily skincare routine to enhance the suppleness and radiance of the complexion.
Formula Analysis: Key Assets
Three major assets catch my attention:
- Polyglutamic acid This star ingredient has an exceptional ability to retain water, up to four times greater than that of hyaluronic acid. It forms a moisturizing film on the surface, limiting insensible water loss and visibly plumping the skin.
- Glycerine : A recognized humectant, it attracts and retains moisture in the surface layers of the epidermis, enhancing the overall moisturizing effect of the serum.
- Saccharomyces Ferment : This biotechnological ferment helps balance the skin microbiome and optimizes skin vitality, while providing essential nutrients.
The synergy of these active ingredients gives the product remarkable effectiveness in improving skin suppleness and softness.
Tips and Application Ritual
I recommend applying this serum in the morning and/or evening, on clean skin, before your moisturizer. It fits perfectly into a routine with active ingredients such as vitamin C or niacinamide. However, it is best to avoid immediately layering it with very occlusive skincare products or powerful exfoliants, in order to preserve the lightness of the texture and its moisturizing effectiveness.
My Final Verdict & Safety Opinion
This serum stands out for its high tolerance, light, non-greasy texture, and rapid moisturizing effectiveness. Its fragrance-free formula limits the risk of irritation. The only possible drawback is the presence of silicones, which may not be suitable for all skin types. In conclusion, this is an excellent choice for restoring and maintaining skin hydration on a daily basis.









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