Is Stearyl Dimethicone safe in cosmetics?
Stearyl Dimethicone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Emollient
Stearyl Dimethicone
INCI: STEARYL DIMETHICONE
Stearyl Dimethicone (CAS 67762-83-8) is a cosmetic emollient functioning as emollient, structuring agent, emulsion stabilizer, wax substitute. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 67762-83-8 →
Auto-generated CPSR Part A draft with source citations
Function
emollient, structuring agent, emulsion stabilizer, wax substitute
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No FDA restriction; wax-like C18 alkyl-modified dimethicone; widely used as structuring agent in anhydrous and W/O systems
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Stearyl Dimethicone.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
7 property records from structured ingredient metadata.
comedogenicity_detail
{"comedogenicity_rating": "2", "irritancy_rating": "0", "skin_type_suitability": "dry,combination,normal", "acne_safe": "caution", "source": "Alkyl-modified silicone"}
hair_care
{"hair_function": "conditioning", "hair_type_suitability": "coarse", "curl_pattern_suitability": "all", "porosity_suitability": "low", "protein_sensitivity": "neutral", "moisture_protein_balance": "no", "cg_method_approved": "non-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": "31710-30-4", "ingredient_class": "silicone_conditioner", "chemical_type": "dimethicone", "substantivity_to_hair": "excellent", "deposition_from_shampoo": "no", "deposition_from_conditioner": "yes", "conditioning_mechanism": "film_forming_emollient", "hair_penetration": "surface_only", "molecular_weight_effect_on_penetration": "alkyl_modified", "wet_combing_force_reduction_pct": "35…
polymer
{"cas_number": "68554-53-0", "ingredient_class": "conditioning/texture_modifier", "polymer_type": "silicone_based", "chemical_backbone": "other", "molecular_weight_Da_range": "4000-35000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transpar…
sensory
{"silky": "waxy", "smooth, glides easily": "thick, protective", "dry-touch, non-greasy": "occlusive, smooth", "instant": "slow", "low": "high", "w/o": "w/o", "very-high": "moderate", "no": "yes", "yes": "yes", "light-diffusing": "matte", "1.40": "1.43", "transparent": "translucent", "colorless": "white", "excellent": "fair", "light": "rich", "synthetic": "synthetic"}
silicone
{"cas_number": "67762-83-8", "silicone_class": "silicone_wax", "molecular_weight_Da": "5800.0", "viscosity_cSt": "800", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.01", "refractive_index": "1.4042", "specific_gravity": "0.98", "flash_point_C": "135.0", "surface_tension_mN_m": "21.4", "spreading_coefficient": "4.0", "film_forming_ability": "excellent", "skin_feel": "waxy", "…
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "soluble_in": "silicones, oils", "insoluble_in": "water, glycerin, ethanol, propylene glycol", "log_p": "9.8", "melting_point_c": "30-35", "appearance": "white paste", "source": "Evonik"}
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Humectant
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Stearyl Dimethicone.
Regulatory Flags
non-volatile-silicone
high-molecular-weight
wax-solid
structuring-agent
cosmos-prohibited
Chemical Function
Softener and conditioner
Humectant
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Stearyl Dimethicone allowed in the EU?
Stearyl Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Stearyl Dimethicone do in cosmetics?
Stearyl Dimethicone functions as: emollient, structuring agent, emulsion stabilizer, wax substitute. It is classified as a Emollient in our database. CAS number: 67762-83-8.
Compliance Tools
Check Stearyl Dimethicone compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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