C18-38 Alkyl C24-54 Acid Ester

INCI: C18-38 ALKYL C24-54 ACID ESTER

CAS Number
Not uniquely assigned (ester of C18–38 alcohols and C24–54 acids, i.e., beeswax-type acid ester)
Function
Skin conditioning agent—occlusive; Viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR: Assessed under Amended Safety Assessment of Alkyl Esters (2015) — Safe as used when formulated to be non-irritating

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

Same penetration-enhancement caveat as all alkyl esters. Formulate to be non-irritating

⚠️
Concern Level: Low

Frequently Asked Questions

Is C18-38 Alkyl C24-54 Acid Ester safe in cosmetics?

Same penetration-enhancement caveat as all alkyl esters. Formulate to be non-irritating The EU classifies C18-38 Alkyl C24-54 Acid Ester as "permitted". Safety rating: GOOD.

Is C18-38 Alkyl C24-54 Acid Ester allowed in the EU?

C18-38 Alkyl C24-54 Acid Ester EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C18-38 Alkyl C24-54 Acid Ester do in cosmetics?

C18-38 Alkyl C24-54 Acid Ester functions as: Skin conditioning agent—occlusive; Viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (ester of C18–38 alcohols and C24–54 acids, i.e., beeswax-type acid ester).

What is the Margin of Safety for C18-38 Alkyl C24-54 Acid Ester?

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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