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PCA is listed in the European Commission CosIng inventory under the functional categories Humectant, Moisturising, with CAS number 98-79-3 and EC number 202-700-3. In the free INCIDB sample it appears on 1 product label, reaching position 21 on Crème réparatrice pieds très secs.

Sample products containing PCA

Label positions from the free INCIDB sample. A lower position means the ingredient is declared earlier, i.e. present in a higher proportion.

Query PCA in the full snapshot

import pyarrow.parquet as pq

ingredients = pq.read_table('ingredients.parquet').to_pandas()
target = ingredients[ingredients['inci_name'] == "PCA"]
print(target[['ingredient_id', 'functions', 'cas_number', 'is_common_allergen']])

The complete snapshot covers 18,583 products. Coverage of each enrichment column is published, both per distinct name and weighted by label occurrence — see the coverage table.