Is Silica Dimethyl Silylate safe in cosmetics?
Silica Dimethyl Silylate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Silica Dimethyl Silylate
Also known as: Dimethyl siloxane, reaction product with silica, Hydrophobic silica, Polydimethylsiloxane, silicon dioxide reaction product, Siliconized silica, Reaction products of dimethyl siloxanes and silicones with silica
INCI: SILICA DIMETHYL SILYLATE
Silica Dimethyl Silylate (CAS 67762-90-7) is a cosmetic cosmetic ingredient functioning as rheology modifier, thickener, oil-phase structurant, anticaking agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 67762-90-7 →
Auto-generated CPSR Part A draft with source citations
Function
rheology modifier, thickener, oil-phase structurant, anticaking agent
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not subject to FDA pre-market approval for cosmetic use. Not a sunscreen active ingredient. CIR Expert Panel concluded in 2013 that silica dimethyl silylate is safe as used when formulated and delivered in the final product not to be irritating or sensitizing to the respiratory tract.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Silica Dimethyl Silylate.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
5 property records from structured ingredient metadata.
cost_pricing
{"cost_tier": "mid-range", "estimated_cost_per_kg_usd_low": "18", "estimated_cost_per_kg_usd_high": "32", "natural_premium_markup_pct": "0", "organic_certified_premium_pct": "0", "supply_chain_volatility": "low", "primary_source_region": "Global", "bulk_discount_threshold_kg": "200", "seasonal_price_variation": "low", "commodity_or_specialty": "specialty", "substitute_ingredients": "Silica, Boron …
deodorant
{"cas_number": "68909-20-6", "ingredient_class": "sweat_absorber", "mechanism_of_action": "odor_absorption", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "12-24", "odor_reduction_pct": "45-65", "bacteriostatic": "no", "bactericidal": "no", "microbiome_impact": "neutral", "axillary_microbiome_effect": "varies by ingredient", "MIC_value_if_antimicrobial": "varies",…
polymer
{"cas_number": "68611-44-9", "ingredient_class": "texture_modifier/mattifying", "polymer_type": "other", "chemical_backbone": "other", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transparent", "removability": "easy", "flyaway…
sensory
{"silky": "powdery", "smooth, glides easily": "silky, hydrophobic", "dry-touch, non-greasy": "dry, smooth", "instant": "instant", "low": "low", "w/o": "w/o", "very-high": "excellent", "no": "yes", "yes": "yes", "light-diffusing": "blurring", "1.40": "1.46", "transparent": "opaque", "colorless": "white", "excellent": "excellent", "light": "light", "synthetic": "mineral"}
silicone
{"cas_number": "68909-20-6", "silicone_class": "organosilane", "molecular_weight_Da": "420.0", "viscosity_cSt": "powder", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.0001", "refractive_index": "1.425", "specific_gravity": "1.15", "flash_point_C": "195.0", "surface_tension_mN_m": "24.8", "spreading_coefficient": "2.45", "film_forming_ability": "excellent", "skin_feel": "powd…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Binder
Corrosion inhibitor
Defoamer
Degradant/impurity
Dispersing agent
Filler
Flavouring and nutrient
Lubricating agent
No specific technical function
Thickening agent
Regulatory List Membership (2)
EPA Safer Chemical Ingredients List (SCIL)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Silica Dimethyl Silylate.
Regulatory Flags
eu-unrestricted
cir-approved
sccs-opinion
non-sensitizing
epa_safer_alternative
fda_food_additive
Known Synonyms
Dimethyl siloxane, reaction product with silica
Hydrophobic silica
Polydimethylsiloxane, silicon dioxide reaction product
Siliconized silica
Reaction products of dimethyl siloxanes and silicones with silica
Chemical Function
Filler
Binder
Degradant/impurity
No specific technical function
Defoamer
Regulatory Lists
inert_ingredient; Pesticides
SCIL (9/2019)
inert_ingredient; non_food_use; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
active_ingredient; Europe; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Silica Dimethyl Silylate allowed in the EU?
Silica Dimethyl Silylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Silica Dimethyl Silylate do in cosmetics?
Silica Dimethyl Silylate functions as: rheology modifier, thickener, oil-phase structurant, anticaking agent. It is classified as a cosmetic ingredient in our database. CAS number: 67762-90-7.
Compliance Tools
Check Silica Dimethyl Silylate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
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