onsensou Hot Spring Algae Essence Shampoo
onsensou onsensou Hot Spring Algae Essence Shampoo lists 18 ingredients on its label, 16 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 siliconesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains sulfatesContains parabensContains PEGContains fragranceContains EU-26 allergens
Formulation view This shampoo combines sulfate and amino acid surfactants with betaine to balance cleansing power and mildness. Algae and yeast extracts condition hair, while a cationic polymer adds slip. Menthol provides a cooling sensation. It suits those needing strong cleansing with smoothing effects; formulators note strong cleansing power may require frequency limits for dry scalps.
Key ingredients
- ANTIPLAQUE
- Water
- CLEANSING
- Sodium C14-16 Olefin Sulfonate
- ANTISTATIC
- Cocamidopropyl Betaine
- SURFACTANT - FOAM BOOSTING
- Cocamide MEA
- SURFACTANT - CLEANSING
- Sodium Methyl Cocoyl Taurate
- DENATURANT
- Polysorbate 80
- SKIN CONDITIONING - EMOLLIENT
- Algae Extract
- SKIN CONDITIONING
- Hydrolyzed Yeast Extract
Other ingredients
Polyquaternium-10Benzoic AcidFragranceMentholCitric AcidEDTA 2NaChlorophyllCopperGlycyrrhizic AcidPhenoxyethanol
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Sodium C14-16 Olefin Sulfonate | CLEANSING, FOAMING, SURFACTANT - CLEANSING | 3 · 0 | Green |
| Cocamidopropyl Betaine | ANTISTATIC, CLEANSING, SURFACTANT - FOAM BOOSTING, HAIR CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING, SKIN CONDITIONING - MISCELLANEOUS | 0 · 0 | Green |
| Cocamide MEA | SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING | 0 · – | Yellow |
| Sodium Methyl Cocoyl Taurate | SURFACTANT - CLEANSING | 0 · 0 | Green |
| Polysorbate 80 | DENATURANT, SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Algae Extract | SKIN CONDITIONING - EMOLLIENT, HUMECTANT, FRAGRANCE, ORAL CARE, SKIN CONDITIONING - MISCELLANEOUS | 0 · – | Green |
| Hydrolyzed Yeast Extract | SKIN CONDITIONING | 0 · 0 | Green |
| Polyquaternium-10 | ANTISTATIC, FILM FORMING | 0 · 0 | Green |
| Benzoic Acid | FRAGRANCE, PRESERVATIVE, pH ADJUSTERS · 限制 V/1 | 1 · – | Green |
| Fragrance | 矫味剂,增香剂 | — | Yellow |
| Menthol | DENATURANT, FRAGRANCE, REFRESHING, SOOTHING · 限制 III/338 | 2 · 0 | Yellow |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| EDTA 2Na | 螯合剂 | 0 · 0 | Green |
| Chlorophyll | 抗氧化剂,着色剂 | — | Green |
| Copper | Not decoded yet | — | — |
| Glycyrrhizic Acid | Not decoded yet | — | — |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Sodium C14-16 Olefin Sulfonate
- Sulfate surfactant at 1–5%; strong cleansing, may cause dryness/irritation
- Cocamidopropyl Betaine
- Cocamidopropyl betaine; zwitterionic co-surfactant reducing irritation and boosting foam, common in mild cleansers.
- Cocamide MEA
- Foam booster and thickener for cleansing products; 1-3%, check compatibility with anionic surfactants
- Sodium Methyl Cocoyl Taurate
- Amino acid based mild surfactant, soft lather; cleaning power increases with salt but may dry out.
- Polysorbate 80
- Non-ionic emulsifier and solubilizer; watch for interaction with parabens
- Algae Extract
- Algae extract with humectant and conditioning effects; may contain natural fragrant components.
- Hydrolyzed Yeast Extract
- Small peptides and amino acids for skin conditioning; often used in anti-aging claims.
- Polyquaternium-10
- Cationic polymer for fabric or hair smoothness; generally low irritation but may conflict with other cationic actives
- Benzoic Acid
- Preservative and pH adjuster at 0.1–0.5%; low water solubility, best in acidic media, irritant at high levels.
- Fragrance
- Fragrance; concentration must control allergen risk, label specific components
- Menthol
- Cooling and soothing agent at 0.5–2%; high levels may cause sensitivity or irritation, use caution around eyes and mucous membranes
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- EDTA 2Na
- Chelating agent that enhances preservative efficacy and stabilizes formulations; usage must be controlled to prevent metal ion interference.
- Chlorophyll
- Chlorophyll; plant-derived antioxidant & green colorant; water-insoluble, trace use
- Copper
- Not decoded yet
- Glycyrrhizic Acid
- Not decoded yet
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
Source: full ingredient list published on the product label, collected 2026-09-21. Ratings are our internal reading, not a regulatory conclusion. · Product page
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