Is Hydroxyl Terminated Polydimethylsiloxane safe in cosmetics?
Hydroxyl Terminated Polydimethylsiloxane has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Hydroxyl Terminated Polydimethylsiloxane
Hydroxyl Terminated Polydimethylsiloxane (CAS 70131-67-8) is a cosmetic cosmetic ingredient functioning as Binder; Defoamer; Dispersing agent; Flow promoter; Sealant (barrier); Surface. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 70131-67-8 →
Auto-generated CPSR Part A draft with source citations
Function
Binder; Defoamer; Dispersing agent; Flow promoter; Sealant (barrier); Surface modifier; Viscosity modifier; Waterproofing agent; Wetting agent (non-aqueous)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydroxyl Terminated Polydimethylsiloxane.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Binder
Defoamer
Dispersing agent
Flow promoter
Sealant (barrier)
Surface modifier
Viscosity modifier
Waterproofing agent
Wetting agent (non-aqueous)
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for Hydroxyl Terminated Polydimethylsiloxane.
Regulatory Flags
silicone
emollient
film-forming
PDMS
epa_safer_alternative
Chemical Function
Binder
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
SCIL (9/2019)
active_ingredient; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Hydroxyl Terminated Polydimethylsiloxane allowed in the EU?
Hydroxyl Terminated Polydimethylsiloxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydroxyl Terminated Polydimethylsiloxane do in cosmetics?
Hydroxyl Terminated Polydimethylsiloxane functions as: Binder; Defoamer; Dispersing agent; Flow promoter; Sealant (barrier); Surface modifier; Viscosity modifier; Waterproofing agent; Wetting agent (non-aqueous). It is classified as a cosmetic ingredient in our database. CAS number: 70131-67-8.
Compliance Tools
Check Hydroxyl Terminated Polydimethylsiloxane compliance across multiple jurisdictions:
Ingredient Decoder
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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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