aesop Classic Conditioner
aesop Aesop Classic Conditioner lists 25 ingredients on its label, 24 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.
- Water
- Cetearyl Alcohol
- Ceteareth-20
- Stearalkonium Chloride
- C12-16 Alcohols
- Phenoxyethanol
- Cedrus Atlantica Bark Oil
- Lavandula Angustifolia Oil
- Glycerin
- Mentha Citrata Leaf Extract
- Rosmarinus Officinalis Leaf Oil
- Hydrolyzed Vegetable Protein
- Ethylhexylglycerin
- Juniperus Communis Fruit Oil
- Melaleuca Alternifolia Leaf Oil
- Mentha Piperita Oil
- Eucalyptus Globulus Leaf Oil
- Magnesium Nitrate
- Citric Acid
- Methylchloroisothiazolinone
- Magnesium Chloride
- Methylisothiazolinone
- Linalool
- D-Limonene
- Eugenol
Highlights
Free of alcoholFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains EU-26 allergensContains essential oilsContains fragrance
Key ingredients
- ANTIPLAQUE
- Water
- SKIN CONDITIONING - EMOLLIENT
- Cetearyl Alcohol
- ANTISTATIC
- Stearalkonium ChlorideC12-16 Alcohols
- ANTIMICROBIAL
- Phenoxyethanol
- FRAGRANCE
- Cedrus Atlantica Bark OilLavandula Angustifolia Oil
- DENATURANT
- Glycerin
Other ingredients
Ceteareth-20Mentha Citrata Leaf ExtractRosmarinus Officinalis Leaf OilHydrolyzed Vegetable ProteinEthylhexylglycerinJuniperus Communis Fruit OilMelaleuca Alternifolia Leaf OilMentha Piperita OilEucalyptus Globulus Leaf OilMagnesium NitrateCitric AcidMethylchloroisothiazolinoneMagnesium ChlorideMethylisothiazolinoneLinaloolD-LimoneneEugenol
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Cetearyl Alcohol | SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, EMULSION STABILISING, SURFACTANT - FOAM BOOSTING, OPACIFYING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Ceteareth-20 | Not decoded yet | — | — |
| Stearalkonium Chloride | ANTISTATIC, PRESERVATIVE, SURFACTANT - CLEANSING · 限制 III/65 V/54 | 0 · 0 | Green |
| C12-16 Alcohols | ANTISTATIC, SKIN CONDITIONING - EMOLLIENT, EMULSION STABILISING, HAIR CONDITIONING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Cedrus Atlantica Bark Oil | FRAGRANCE, SKIN CONDITIONING, PERFUMING · 限制 III/122 | 0 · 0 | Green |
| Lavandula Angustifolia Oil | FRAGRANCE, TONIC · 限制 III/360 | 0 · – | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Mentha Citrata Leaf Extract | ASTRINGENT, PERFUMING | 1 · 0 | Green |
| Rosmarinus Officinalis Leaf Oil | FRAGRANCE, SKIN CONDITIONING | 1 · – | Green |
| Hydrolyzed Vegetable Protein | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | – · 0 | Green |
| Ethylhexylglycerin | DEODORANT, SKIN CONDITIONING | 0 · 0 | Green |
| Juniperus Communis Fruit Oil | FRAGRANCE, PERFUMING, ASTRINGENT | 1 · – | Green |
| Melaleuca Alternifolia Leaf Oil | ANTIOXIDANT, FRAGRANCE, SKIN PROTECTING, PERFUMING, SKIN CONDITIONING - MISCELLANEOUS | 2 · 0 | Green |
| Mentha Piperita Oil | FRAGRANCE, REFRESHING, TONIC, PERFUMING · 限制 III/361 | 5 · 0 | Yellow |
| Eucalyptus Globulus Leaf Oil | SKIN CONDITIONING, PERFUMING · 限制 III/355 | 3 · – | Green |
| Magnesium Nitrate | HAIR CONDITIONING | 0 · – | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Methylchloroisothiazolinone | PRESERVATIVE · 限制 V/39 | 2 · – | Yellow |
| Magnesium Chloride | VISCOSITY CONTROLLING, FLAVOURING | 0 · – | Green |
| Methylisothiazolinone | PRESERVATIVE · 限制 V/57 V/39 | 5 · 0 | Yellow |
| Linalool | DEODORANT, PERFUMING · 限制 III/84 | 1 · 0 | Yellow |
| D-Limonene | 香精, 皮肤调理剂 | 1 · 0 | Green |
| Eugenol | DENATURANT, TONIC, PERFUMING · 限制 III/71 | 2 · – | Yellow |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Cetearyl Alcohol
- Fatty alcohol emulsifier at 1-5%; non-ionic surfactant
- Ceteareth-20
- Not decoded yet
- Stearalkonium Chloride
- Cationic conditioner for antistatix; restricted, check compliance and compatibility.
- C12-16 Alcohols
- Fatty alcohol mix for conditioning and stability; very low comedogenicity, enhances feel.
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Cedrus Atlantica Bark Oil
- Essential oil providing woody fragrance and skin conditioning; contains allergens, limited by III/122
- Lavandula Angustifolia Oil
- Fragrance essential oil, 0.1–1%; contains allergens, patch test required.
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Mentha Citrata Leaf Extract
- Lemon Mint leaf extract; contains menthol and essential oils; cooling sensation, potential irritation for sensitive skin.
- Rosmarinus Officinalis Leaf Oil
- Rosemary leaf oil for fragrance and conditioning; essential oil, allergen risk, limit usage
- Hydrolyzed Vegetable Protein
- Peptide conditioning agent; control pH to prevent degradation, used in hair and skin care.
- Ethylhexylglycerin
- Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel
- Juniperus Communis Fruit Oil
- Juniper fruit essential oil. Contains camphor and terpinen-4-ol. Camphor is an allergen/neurotoxin; avoid on broken skin, label as essential oil.
- Melaleuca Alternifolia Leaf Oil
- Tea tree oil, antibacterial and sebum regulating; highly sensitizing at concentrate level, dilute; avoid on broken skin.
- Mentha Piperita Oil
- Peppermint essential oil, strong cooling; highly irritating and sensitizing at high levels; dilute, avoid in sensitive skin.
- Eucalyptus Globulus Leaf Oil
- Eucalyptus leaf oil, strong essential oil; high irritation, strictly limited usage
- Magnesium Nitrate
- Inorganic salt for hair conditioning; improves smoothness and shine, high concentrations may stiffen hair, balance cationics.
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Methylchloroisothiazolinone
- Preservative (MCI); highly sensitizing, use only in rinse-off, avoid leave-on products.
- Magnesium Chloride
- Inorganic salt for thickening and pH adjustment; 0.1-1%, avoid calcium ions
- Methylisothiazolinone
- Strong preservative; high allergy risk, EU restricted for leave-on products, high formulation risk
- Linalool
- Natural fragrance component at ≤0.05%; one of EU 26 allergens, caution for sensitive skin
- D-Limonene
- Citrus terpene used as fragrance and skin conditioner; EU allergen, may cause sensitization at high levels, must be labeled.
- Eugenol
- Potent natural fragrance, EU restriction III/71; listed allergen, max 5%, caution for sensitive skin
Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page
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