PRODUCT REVIEW
Ishizawa-Lab SQS Deep Moisture Astringent Essence
Can it cause trouble?
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What can the product work for?
Works for
Moisturizing
What does the product description say?
SQS Deep Moisture Astringent Essence
polyglutamic acid
0.3% -
0.6%
Irritation risk:
Concentration: Effectiveness: HIGH
Helps attract water to the upper layer of the skin.
soluble collagen
1.3% -
1.6%
Irritation risk:
Concentration: Effectiveness: HIGH
A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin
hydrolyzed hyaluronic acid
1.7% -
2.1%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Moisturizing |
Total Promises Fulfilled score:
75/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 1
Potential irritants
Comodogenic ingredients
zea mays starch
2.7% -
3.3%
Irritation risk: Comedogenicity: High
Works for:
Mattifying
Used to thicken the product's consistency
User reviews (0)
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Ingredients & concentrations
All ingredients
Key Actives
ascorbyl glucoside
0.75% -
1.15%
Irritation risk:
Works for:
Anti-oxidation,
Anti-aging,
Evens skin tone
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
phytosteryl/octyldodecyl lauroyl glutamate
0.4% -
0.6%
Irritation risk:
Works for:
Moisturizing,
Anti-oxidation
A mix of amino acids and plant-based lipids. Helps to soften the upper layer of the skin and reduce water loss over time
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Potential irritants
alcohol
4.9% -
6%
Irritation risk:
Works for:
Antibacterial
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
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Comodogenic ingredients
zea mays starch
2.7% -
3.3%
Irritation risk: Comedogenicity: High
Works for:
Mattifying
Used to thicken the product's consistency
All ingredients
dimethicone/vinyl dimethicone crosspolymer
6.9% -
8.5%
Irritation risk:
Used to stabilize product formulations and create a nice product texture
alcohol
4.9% -
6%
Irritation risk:
Works for:
Antibacterial
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
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Ingredient list view
Water, Dimethicone/vinyl dimethicone crosspolymer, Alcohol, Butylene glycol, Zea mays starch, Unknown, Pentylene glycol, Glycerin, Hydrolyzed hyaluronic acid, Sodium hyaluronate, Unknown, Soluble collagen, Ascorbyl glucoside, Unknown, Mel, Unknown, Brain extract, Sodium bicarbonate, Hydrogenated lecithin, Peg-40 hydrogenated castor oil, Peg-60 hydrogenated castor oil, Acrylates/c10-30 alkyl acrylate crosspolymer, Unknown, Phytosteryl/octyldodecyl lauroyl glutamate, Hydroxyethylcellulose, Polyglutamic acid, Carbomer, Cellulose gum, Isoceteth-10, Isoceteth-25, Potassium hydroxide, Tetrasodium etidronate, Sodium citrate, Citric acid, Menthol, Menthoxypropanediol, Platinum, Silver, Phenoxyethanol
Sources
- Glycerol and the skin: holistic approach to its origin and functions
- Efficacy of a New Topical Nano-hyaluronic Acid in Humans
- Physiochemical properties and application of hyaluronic acid: a systematic review
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- The Roles of Vitamin C in Skin Health
- Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivatives
- Amended Safety Assessment of PEGylated Oils as Used in Cosmetics
- γ‐Polyglutamic Acid Produced by Bacillus Subtilis (Natto): Structural Characteristics, Chemical Properties and Biological Functionalities