Ingredient
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Cyclohexasiloxane

✓ EU Allowed

Identification

CAS Number 540-97-6
EINECS / EC 208-762-8
CosIng Ref 75406
Chemical Name Dodecamethylcyclohexasiloxane,
Formula C12H36O6Si6
Mol. Weight 444.92 g/mol

Function & Classification

Primary Function Hair Conditioning
Secondary Functions HAIR CONDITIONING; SOLVENT
Origin Synthetic
Category Other

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 Restricted under COMMISSION REGULATION (EU) 2024/1328. 1. Shall not be placed on the market (a) as a substance on its own; (b) as a constituent of other substances; or (c) in mixtures; in a concentration equal to or greater than 0,1 % by weight of the respective substance after 6 June 2026. [...] 3. By way of derogation: (a) for D4 and D5 in wash-off cosmetic products, paragraph 1, point (c), shall apply after 31 January 2020. For the purposes of this point, “wash-off cosmetic products” means cosmetic products as defined in Article 2(1), point (a), of Regulation (EC) No 1223/2009 of the European Parliament and of the Council (*1) that, under normal conditions of use, are washed off with water after application; (b) for all cosmetic products other than the ones mentioned in paragraph 3(a), paragraph 1 shall apply after 6 June 2027.

Safety Profile

1 / 10
✅
Comedogenic Rating: 1/5
Low risk — should be fine for most skin types
Skin Type Compatibility
💧 Acne-Prone ✓ Safe
🍄 Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 50 mg/kg bw/day (inhalation, rat) SCCS/1241/10
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
LD₅₀ Oral >5000 mg/kg (rat)
Skin Irritation (Draize) 0.0 / 4.0
Eye Irritation (Draize) 0.2 / 4.0

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

Suppliers & Documents

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Documents

External Resources

INCIDecoder → EU CosIng →