Good Emulsifier

Cetyl PEG/PPG-10/1 Dimethicone

INCI: CETYL PEG/PPG-10/1 DIMETHICONE

CAS Number
191044-49-2
Function
Emulsifier, water-in-oil emulsifier, water-in-silicone emulsifier
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No FDA restriction; ABIL EM 90-type industry standard for W/O and W/Si emulsions; widely used in sunscreens and long-wear foundations

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Industry-standard W/O and W/Si emulsifier (ABIL EM 90 and equivalents) enabling high water-phase loads with elegant silicone skin feel. Critical for water-resistant sunscreens and long-wear foundations where silicone-based emulsion system outperforms conventional O/W in aesthetics and durability. Not subject to EU cyclic siloxane restrictions.

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Concern Level: None

Regulatory Flags

non-volatile-silicone emulsifier w-o-emulsifier w-si-emulsifier polyether-modified sunscreen-compatible cosmos-prohibited

Frequently Asked Questions

Is Cetyl PEG/PPG-10/1 Dimethicone safe in cosmetics?

Industry-standard W/O and W/Si emulsifier (ABIL EM 90 and equivalents) enabling high water-phase loads with elegant silicone skin feel. Critical for water-resistant sunscreens and long-wear foundations where silicone-based emulsion system outperforms conventional O/W in aesthetics and durability. Not subject to EU cyclic siloxane restrictions. The EU classifies Cetyl PEG/PPG-10/1 Dimethicone as "permitted". Safety rating: GOOD.

Is Cetyl PEG/PPG-10/1 Dimethicone allowed in the EU?

Cetyl PEG/PPG-10/1 Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Cetyl PEG/PPG-10/1 Dimethicone do in cosmetics?

Cetyl PEG/PPG-10/1 Dimethicone functions as: Emulsifier, water-in-oil emulsifier, water-in-silicone emulsifier. It is classified as a Emulsifier in our database. CAS number: 191044-49-2.

What is the Margin of Safety for Cetyl PEG/PPG-10/1 Dimethicone?

adequate 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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