Good Emulsifier

PEG-10 Dimethicone

Also known as: Siloxanes and Silicones, di-Me, 3-hydroxypropyl Me, ethoxylated, Siloxanes, di-Me, 3-hydroxypropyl Me, oxirane-grafted, Siloxanes, di-Me, 3-hydroxypropyl Me, polymers with ethylene oxide, Silwet FZ 2171, Silwet L 7608 (+4 more)

INCI: PEG-10 DIMETHICONE

PEG-10 Dimethicone (CAS 68937-54-2) is a cosmetic emulsifier functioning as emulsifier, conditioning agent, emollient, surfactant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 68937-54-2 →

Auto-generated CPSR Part A draft with source citations
Function
emulsifier, conditioning agent, emollient, surfactant
Safety Rating
GOOD

Chemistry & Identifiers

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No FDA restriction; large molecular size prevents skin absorption; used as dual emulsifier/conditioner in skin and hair care

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for PEG-10 Dimethicone.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

5 property records from structured ingredient metadata.

comedogenicity_detail
{"comedogenicity_rating": "1", "irritancy_rating": "0", "skin_type_suitability": "all,combination,normal", "acne_safe": "yes", "source": "Water-soluble silicone"}
emulsifier
{"cas_number": "9082-00-2", "ingredient_class": "O/W_emulsifier,silicone_emulsifier", "chemical_type": "silicone_polyether", "HLB_value": "5.0", "HLB_required_for_oil_phase": "3-7", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "1-3", "surface_tension_reduction_mN_m": "28", "interfacial_tension_reduction": "32", "foam_formation": "low", "liquid_crystal_formation": "low", "lamellar_pha…
emulsion_hlb
{"hlb_value": "12.5", "hlb_required_as_emulsifier": "yes", "emulsifier_type": "o_w", "critical_packing_parameter": "0.25-0.38", "phase_inversion_temperature_c": "52-62", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "dimethicone", "optimal_oil_phase_pct": "10-28", "optimal_water_phase_pct": "72-90", "electrolyte_tolerance": "moderate", "pH_emulsion_stability_ra…
polymer
{"cas_number": "68937-55-3", "ingredient_class": "emulsion_stabilizer/conditioning", "polymer_type": "silicone_based", "chemical_backbone": "ether", "molecular_weight_Da_range": "10000-100000", "ionic_character": "nonionic", "HLB_value": "5-7", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "…
silicone
{"cas_number": "68937-54-2", "silicone_class": "dimethicone", "molecular_weight_Da": "2400.0", "viscosity_cSt": "150", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.018", "refractive_index": "1.407", "specific_gravity": "1.05", "flash_point_C": "115.0", "surface_tension_mN_m": "24.2", "spreading_coefficient": "2.9", "film_forming_ability": "excellent", "skin_feel": "silky", "…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Emulsifier Flow promoter Hardener Lubricating agent Wetting agent (non-aqueous)
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for PEG-10 Dimethicone.

Regulatory Flags

non-volatile-silicone emulsifier polyether-modified high-molecular-weight cosmos-prohibited

Known Synonyms

Siloxanes and Silicones, di-Me, 3-hydroxypropyl Me, ethoxylated Siloxanes, di-Me, 3-hydroxypropyl Me, oxirane-grafted Siloxanes, di-Me, 3-hydroxypropyl Me, polymers with ethylene oxide Silwet FZ 2171 Silwet L 7608 Lambent MFF 159-100 Silsurf D 212CG Transoft Hydro TF 405B Dow Corning ES 5612 Formulation Aid

Chemical Function

Lubricating agent Emulsifier Flow promoter Wetting agent (non-aqueous) Hardener

Regulatory Lists

Indirect additives food contact (10/2018) active_ingredient; Pesticides inert_ingredient; non_food_use; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is PEG-10 Dimethicone safe in cosmetics?

PEG-10 Dimethicone has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is PEG-10 Dimethicone allowed in the EU?

PEG-10 Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-10 Dimethicone do in cosmetics?

PEG-10 Dimethicone functions as: emulsifier, conditioning agent, emollient, surfactant. It is classified as a Emulsifier in our database. CAS number: 68937-54-2.

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