Leukocyte Extract

INCI: LEUKOCYTE EXTRACT

CAS Number
225234-41-3
Function
Skin conditioning
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not listed in 21 CFR prohibited/restricted; however, animal-derived materials face additional FDA scrutiny

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

High concern: animal-origin ingredient (white blood cells) raises BSE/TSE prion safety questions; must comply with EU animal by-products regulation; potential immunogenicity; virtually no published safety, irritation, sensitization, or genotoxicity data for cosmetic use; species source not specified in INCI definition โ€” bovine, porcine, or human origin all possible; extremely limited market use

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Concern Level: High

Regulatory Flags

plant-extract potential-allergen

Frequently Asked Questions

Is Leukocyte Extract safe in cosmetics?

High concern: animal-origin ingredient (white blood cells) raises BSE/TSE prion safety questions; must comply with EU animal by-products regulation; potential immunogenicity; virtually no published safety, irritation, sensitization, or genotoxicity data for cosmetic use; species source not specified in INCI definition โ€” bovine, porcine, or human origin all possible; extremely limited market use The EU classifies Leukocyte Extract as "permitted". Safety rating: POOR.

Is Leukocyte Extract allowed in the EU?

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

What does Leukocyte Extract do in cosmetics?

Leukocyte Extract functions as: Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 225234-41-3.

What is the Margin of Safety for Leukocyte Extract?

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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