Sterol Esters

INCI: STEROL ESTERS

CAS Number
No single CAS — this is a general category name; specific products vary (e.g., Croda's Super Sterol Ester is a proprietary blend)
Function
Skin conditioning, emollient, skin repairing
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no FDA restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Verify botanical source for allergen declarations (soy-derived sterol esters require labeling in some jurisdictions); broad INCI name — confirm exact composition with supplier for PIF documentation.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen natural-origin

Frequently Asked Questions

Is Sterol Esters safe in cosmetics?

Verify botanical source for allergen declarations (soy-derived sterol esters require labeling in some jurisdictions); broad INCI name — confirm exact composition with supplier for PIF documentation. The EU classifies Sterol Esters as "permitted". Safety rating: EXCELLENT.

Is Sterol Esters allowed in the EU?

Sterol Esters EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sterol Esters do in cosmetics?

Sterol Esters functions as: Skin conditioning, emollient, skin repairing. It is classified as a cosmetic ingredient in our database. CAS number: No single CAS — this is a general category name; specific products vary (e.g., Croda's Super Sterol Ester is a proprietary blend).

What is the Margin of Safety for Sterol Esters?

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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