Hydroxypropyl Dimethicone Behenate

INCI: HYDROXYPROPYL DIMETHICONE BEHENATE

CAS Number
Not uniquely assigned (silicone ester; trade name PECOSIL® DB)
Function
Skin conditioning agent — emollient, film forming, lubricant
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR Expert Panel assessed dimethiconol esters as safe as used (2017 review)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Silicone-based emollient with potential trace D4/D5 cyclomethicone impurities; EU restricts D4 at ≥0.1% in wash-off and D5 at ≥0.1% in leave-on products.

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Concern Level: Low

Frequently Asked Questions

Is Hydroxypropyl Dimethicone Behenate safe in cosmetics?

Silicone-based emollient with potential trace D4/D5 cyclomethicone impurities; EU restricts D4 at ≥0.1% in wash-off and D5 at ≥0.1% in leave-on products. The EU classifies Hydroxypropyl Dimethicone Behenate as "permitted". Safety rating: GOOD.

Is Hydroxypropyl Dimethicone Behenate allowed in the EU?

Hydroxypropyl Dimethicone Behenate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxypropyl Dimethicone Behenate do in cosmetics?

Hydroxypropyl Dimethicone Behenate functions as: Skin conditioning agent — emollient, film forming, lubricant. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (silicone ester; trade name PECOSIL® DB).

What is the Margin of Safety for Hydroxypropyl Dimethicone Behenate?

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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