Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer

INCI: CETYL HEXACOSYL DIMETHICONE/BIS-VINYLDIMETHICONE CROSSPOLYMER

CAS Number
Not assigned (crosslinked polymer)
Function
Skin Conditioning – Emollient; Viscosity Controlling
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Not restricted; crosslinked silicone elastomers considered safe

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Monitor residual D4/D5 cyclosiloxane levels per EU Regulation 2018/35 with D4 at maximum 0.1% w/w in wash-off products; restricted in leave-on formulations.

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Concern Level: Moderate

Frequently Asked Questions

Is Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer safe in cosmetics?

Monitor residual D4/D5 cyclosiloxane levels per EU Regulation 2018/35 with D4 at maximum 0.1% w/w in wash-off products; restricted in leave-on formulations. The EU classifies Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer as "restricted". Safety rating: MODERATE.

Is Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer allowed in the EU?

Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer do in cosmetics?

Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer functions as: Skin Conditioning – Emollient; Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (crosslinked polymer).

What is the Margin of Safety for Cetyl Hexacosyl Dimethicone/Bis-Vinyldimethicone Crosspolymer?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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