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Canonical INCI Monograph #360

COUMARIN

FDA MoCRA Contact Allergen Flagged Fungal Acne Safe

Standard cosmetic ingredient registered in INCI catalog.

Regulatory / Clinical Alert

Mandatory MoCRA contact allergen disclosure when >0.001% in leave-on or >0.01% in rinse-off.

COUMARIN is catalogued in INCIDB under the CosIng functional class of Skin-Conditioning Agent, registered under CAS number 91-64-5. Within the free INCIDB sample partition it is mapped to 1 indexed formulation spanning 1 product category (Skincare), climbing to concentration rank #20 in Cosmetic Product 07658303. It carries a comedogenic rating of 0.0/5.0, indicating no expected pore-clogging activity. It is flagged as an FDA MoCRA contact allergen, so patch testing is advised for sensitive users.

CAS REGISTRY NUMBER

91-64-5

COSING PRIMARY FUNCTION

Skin-Conditioning Agent

COMEDOGENIC RATING

0.0 / 5.0

COMMON SYNONYM

Coumarin

Sample Commercial Formulations with COUMARIN

Verified concentration ranks from the free INCIDB sample partition. Full data mapping covers 19,645 commercial formulations.

PRODUCT NAME	CATEGORY	CONCENTRATION RANK
Cosmetic Product 07658303	Skincare	Rank #20

Query COUMARIN via PyArrow Parquet

Filter sub-second high-performance columnar Parquet files across all 19,645 beauty formulations.

import pyarrow.parquet as pq

# Load normalized INCI ingredients dataset
ingredients = pq.read_table('ingredients.parquet').to_pandas()

# Locate exact compound ID and regulatory flags
target = ingredients[ingredients['inci_name'] == "COUMARIN"]
print(target[['ingredient_id', 'cas_number', 'is_common_allergen']])

Download Full 19,645-Product Parquet ($99) →