Poor Cosmetic Ingredient NOAEL Data

Tafluprost

INCI: ETHYL TAFLUPROSTAMIDE (COSMETIC INCI); INN: TAFLUPROST

Tafluprost (CAS 209860-87-7) is a cosmetic cosmetic ingredient functioning as Prostaglandin F2α analogue – used in eyelash growth/conditioning products. Reported NOAEL =0.0003 mg/kg bw/day in rat (Sprague-Dawley; male/female) (FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 209860-87-7 →

Auto-generated CPSR Part A draft with source citations
Function
Prostaglandin F2α analogue – used in eyelash growth/conditioning products
Safety Rating
POOR

Chemistry & Identifiers

Formula
C25H34F2O5
MW
452.5 g/mol
PubChem CID
9868491
IUPAC Name
propan-2-yl (Z)-7-[(1R,2R,3R,5S)-2-[(E)-3,3-difluoro-4-phenoxybut-1-enyl]-3,5-dihydroxycyclopentyl]hept-5-enoate
InChIKey
WSNODXPBBALQOF-VEJSHDCNSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes FDA-approved as ophthalmic drug (glaucoma treatment); cosmetic use in eyelash serums occupies a regulatory grey area

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tafluprost.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Tafluprost. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =0.0003 mg/kg bw/day intravenous rat (Sprague-Dawley; male/female) reproductive toxicity FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z
NOAEL =0.0003 mg/kg bw/day intravenous rat (Sprague-Dawley; male/female) reproductive toxicity FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z
NOAEL =0.0003 mg/kg bw/day intravenous rat (Sprague-Dawley; male/female) reproductive toxicity FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z
NOAEL =0.0003 mg/kg bw/day intravenous rat (Sprague-Dawley; male/female) reproductive toxicity FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

JPKR Japan/Korea Cosmetics
Korea (Prohibited): Added 2024; prostaglandin analogue
Additional Jurisdictional Restrictions (2)
Jurisdiction Status Max % Product Type
AU banned - eyelash growth
ASEAN banned - All cosmetic products prohibited

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Tafluprost.

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Tafluprost by CAS number or substance name.

Studies
4
Lowest NOAEL
0.0003 mg/kg bw/day
Highest NOAEL
0.0003 mg/kg bw/day
FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z

Chemical Function

Softener and conditioner

Regulatory Lists

pharmaceutical Canada; pharmaceutical

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
TAFLUPROST
ChEMBL ID
CHEMBL1963683
Max Phase
4
Adverse Event Associations
112
View full pharmaceutical profile →

Frequently Asked Questions

Is Tafluprost safe in cosmetics?

Tafluprost has a safety rating of "POOR" in our database. EU status: permitted. US status: permitted. 4 toxicological study endpoint(s) are available in our database.

Is Tafluprost allowed in the EU?

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

What does Tafluprost do in cosmetics?

Tafluprost functions as: Prostaglandin F2α analogue – used in eyelash growth/conditioning products. It is classified as a cosmetic ingredient in our database. CAS number: 209860-87-7.

What is the NOAEL for Tafluprost?

The NOAEL (No Observed Adverse Effect Level) for Tafluprost is =0.0003 mg/kg bw/day based on a reproductive toxicity study via intravenous route in rat (Sprague-Dawley; male/female). A total of 4 study endpoints are available. Source: FDA_Toxicity_a881b3e3-f356-4118-b7ee-630b793fd47c_dossier.i6z.

Is Tafluprost used outside cosmetics?

Tafluprost also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Tafluprost have different safety status in cosmetics vs industrial chemicals?

Tafluprost is classified GHS Danger (H302, H319, H360, H370, H372, H413) in the chemicals database but is allowed in EU cosmetics.

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