Silkworm Frass

INCI: SILKWORM FRASS

CAS Number
Not assigned
Function
Skin Conditioning (per CosIng listing)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not reviewed by CIR; no FDA-specific data

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Frass = insect excrement; virtually no published cosmetic safety data; microbiological contamination risk; sourcing and standardization concerns

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Concern Level: Moderate

Frequently Asked Questions

Is Silkworm Frass safe in cosmetics?

Frass = insect excrement; virtually no published cosmetic safety data; microbiological contamination risk; sourcing and standardization concerns The EU classifies Silkworm Frass as "permitted". Safety rating: MODERATE.

Is Silkworm Frass allowed in the EU?

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

What does Silkworm Frass do in cosmetics?

Silkworm Frass functions as: Skin Conditioning (per CosIng listing). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned.

What is the Margin of Safety for Silkworm Frass?

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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