aizen Polyglutamic Acid 5% Ultra Ampoule
aizen Aizen Polyglutamic Acid 5% Ultra Ampoule lists 11 ingredients on its label, 10 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasers
Formulation view Water-based ampoule featuring 5% polyglutamic acid with ceramide 3 and hyaluronic acid for barrier support. Contains paeonia extract and hydroxyacetophenone; 1,2-hexanediol aids preservation. Fragrance-free and gentle. Ideal for compromised or sensitive skin. Formulator notes silicone-free system relies on large peptides for breathable film formation, offering light texture.
Key ingredients
- ANTIPLAQUE
- Water
- SKIN CONDITIONING
- Polyglutamic Acid
- HAIR CONDITIONING
- Ceramide 3
- HUMECTANT
- Sodium HyaluronatePropylene Glycol
- DENATURANT
- Glycerin
- SURFACTANT - EMULSIFYING
- Hexylene Glycol
- SKIN PROTECTING
- Paeonia Suffruticosa Root Extract
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Polyglutamic Acid | SKIN CONDITIONING | 0 · 0 | Green |
| Ceramide 3 | HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Propylene Glycol | HUMECTANT, FRAGRANCE, SOLVENT, VISCOSITY CONTROLLING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS | 1 · 0 | Green |
| Paeonol | Not decoded yet | — | — |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Hexylene Glycol | SURFACTANT - EMULSIFYING, SKIN CONDITIONING, SOLVENT, SURFACTANT - CLEANSING, PERFUMING | 1 · 0 | Green |
| Paeonia Suffruticosa Root Extract | SKIN PROTECTING | 0 · 0 | Green |
| Hydroxyacetophenone | ANTIOXIDANT | 0 · 0 | Green |
| 1,2-Hexanediol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Polyglutamic Acid
- Natural-derived polypeptide for hydration and skin conditioning; often used for long-lasting moisture
- Ceramide 3
- Ceramide 3 to restore skin barrier and moisturize; used at 0.01–1%, often blended
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Propylene Glycol
- Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.
- Paeonol
- Not decoded yet
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Hexylene Glycol
- Polyol solvent and humectant with penetration enhancement; limit concentration to avoid irritation, no specific allergen tag
- Paeonia Suffruticosa Root Extract
- Paeonia root extract, skin protecting agent with antioxidants to defend against environmental damage
- Hydroxyacetophenone
- Hydroxyacetophenone as antioxidant; often boosts Vitamin C, works in acidic pH.
- 1,2-Hexanediol
- Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives
Source: full ingredient list published on the product label, collected 2026-09-20. Ratings are our internal reading, not a regulatory conclusion. · Product page
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