Equisetum Fluviatile Extract

INCI: EQUISETUM FLUVIATILE EXTRACT

CAS Number
90028-31-2 (estimated from EINECS series for *Equisetum* species)
Function
Skin conditioning agent
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no CFR restrictions; not CIR-reviewed

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

Equisetum fluviatile (water horsetail) is frequently confused with E. palustre (marsh horsetail), which contains the toxic piperidine alkaloid palustrine. All Equisetum species contain thiaminase. No CIR, SCCS, or dedicated cosmetic safety review exists. Species authentication and alkaloid profiling are mandatory before use.

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Concern Level: High

Regulatory Flags

plant-extract

Frequently Asked Questions

Is Equisetum Fluviatile Extract safe in cosmetics?

Equisetum fluviatile (water horsetail) is frequently confused with E. palustre (marsh horsetail), which contains the toxic piperidine alkaloid palustrine. All Equisetum species contain thiaminase. No CIR, SCCS, or dedicated cosmetic safety review exists. Species authentication and alkaloid profiling are mandatory before use. The EU classifies Equisetum Fluviatile Extract as "permitted". Safety rating: POOR.

Is Equisetum Fluviatile Extract allowed in the EU?

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

What does Equisetum Fluviatile Extract do in cosmetics?

Equisetum Fluviatile Extract functions as: Skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 90028-31-2 (estimated from EINECS series for *Equisetum* species).

What is the Margin of Safety for Equisetum Fluviatile 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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