Good Emollient

Caprylyl Methicone

Also known as: EINECS 241-881-3, UNII-Q95M2P1KJL

INCI: CAPRYLYL METHICONE

Caprylyl Methicone (CAS 17955-88-3) is a cosmetic emollient functioning as emollient, volatile carrier, skin-conditioning, D5 replacement. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 17955-88-3 →

Auto-generated CPSR Part A draft with source citations
Function
emollient, volatile carrier, skin-conditioning, D5 replacement
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
241-881-3

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No FDA restriction; non-mutagenic per OECD TG 471; oral and dermal LD50 >2,000 mg/kg in rat studies (CIR data)

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Caprylyl Methicone.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

9 property records from structured ingredient metadata.

comedogenicity_detail
{"comedogenicity_rating": "0", "irritancy_rating": "0", "skin_type_suitability": "all,oily,combination,normal,acne-prone", "acne_safe": "yes", "source": "Volatile silicone alternative"}
cost_pricing
{"cost_tier": "premium", "estimated_cost_per_kg_usd_low": "35", "estimated_cost_per_kg_usd_high": "65", "natural_premium_markup_pct": "0", "organic_certified_premium_pct": "0", "supply_chain_volatility": "low", "primary_source_region": "Global", "bulk_discount_threshold_kg": "100", "seasonal_price_variation": "low", "commodity_or_specialty": "specialty", "substitute_ingredients": "Phenyl Trimethic…
hair_care
{"hair_function": "conditioning", "hair_type_suitability": "fine/medium", "curl_pattern_suitability": "all", "porosity_suitability": "all", "protein_sensitivity": "neutral", "moisture_protein_balance": "yes", "cg_method_approved": "water-soluble", "silicone_type": "not-a-sulfate", "sulfate_type": "no", "drying_alcohol": "no", "fatty_alcohol": "yes", "heat_protectant": "yes", "color_safe": "neutral…
hair_conditioning
{"cas_number": "17955-88-3", "ingredient_class": "silicone_conditioner", "chemical_type": "dimethicone", "substantivity_to_hair": "good", "deposition_from_shampoo": "no", "deposition_from_conditioner": "yes", "conditioning_mechanism": "film_forming_light", "hair_penetration": "surface_only", "molecular_weight_effect_on_penetration": "alkyl_modified_light", "wet_combing_force_reduction_pct": "30-40…
polymer
{"cas_number": "17955-88-3", "ingredient_class": "texture_modifier", "polymer_type": "silicone_based", "chemical_backbone": "other", "molecular_weight_Da_range": "400-2000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transpa…
silicone
{"cas_number": "Not assigned", "silicone_class": "dimethicone", "molecular_weight_Da": "2200.0", "viscosity_cSt": "120", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.03", "refractive_index": "1.402", "specific_gravity": "0.948", "flash_point_C": "105.0", "surface_tension_mN_m": "20.0", "spreading_coefficient": "5.0", "film_forming_ability": "good", "skin_feel": "light", "sli…
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "soluble_in": "silicones, oils", "insoluble_in": "water, glycerin, ethanol, propylene glycol", "log_p": "7.8", "appearance": "clear liquid", "source": "Dow"}
supply_chain
{"primary_producing_countries": "USA, Japan, Germany", "secondary_producing_countries": "China, France, UK", "raw_material_origin": "synthetic", "agricultural_crop_or_wild_harvested": "silicone_synthesis", "cultivation_climate_required": "industrial", "harvest_season": "continuous", "annual_global_production_tonnes": "12000", "market_share_top_producer_pct": "68", "supply_chain_length": "1_interme…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Humectant Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Caprylyl Methicone.

Regulatory Flags

d5-alternative volatile-silicone linear-silicone non-cyclic cir-approved genotoxicity-negative cosmos-restricted

Known Synonyms

EINECS 241-881-3 UNII-Q95M2P1KJL

Chemical Function

Softener and conditioner Humectant

Regulatory Lists

Canada; Personal care; Substances in PCP - Canada (4/2014) inert_ingredient; non_food_use; Pesticides

Australian Status

AICIS status: listed_with_terms

Specific information requirements: Obligations to provide information apply. You must tell us within 28 days if the circumstances of your importation or manufacture (introduction) are different to those in our assessment.

Frequently Asked Questions

Is Caprylyl Methicone safe in cosmetics?

Caprylyl Methicone has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Caprylyl Methicone allowed in the EU?

Caprylyl Methicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Caprylyl Methicone do in cosmetics?

Caprylyl Methicone functions as: emollient, volatile carrier, skin-conditioning, D5 replacement. It is classified as a Emollient in our database. CAS number: 17955-88-3.

Is Caprylyl Methicone used outside cosmetics?

Caprylyl Methicone also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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