The rule tables are transcribed from the official texts and checked against them on every change. The tool assists you; read its notes before printing a label for sale.

INCI names / Potassium sorbate

Potassium sorbate INCI name

The INCI name for potassium sorbate is Potassium Sorbate. The tools list it by that name in every product, soap included, at the weight you enter.

In lotions, balms and other cosmeticsPotassium Sorbate
In cold-process soapPotassium Sorbate, as added
Preservative limit (Annex V, entry 4)At most 0.6 %, counted as sorbic acid, in the ready-for-use product, in the EU and in Great Britain
On a US labelPotassium Sorbate
In Great Britain and Northern IrelandThe same name as the EU. Northern Ireland uses the EU glossary cited below; Great Britain still uses the glossary it kept from the EU, where the name has another entry number.
What it is used for (CosIng)fragrance, preservative

Glossary citation: Potassium Sorbate #22757 (Commission Implementing Decision (EU) 2025/1175 on EUR-Lex).

The label only names the preservative. Keeping within the Annex V maximum is part of your product's safety assessment, and the tools do not check the amount.

In the soap or skincare tool, put it on its own line with its weight, for example "potassium sorbate, 5", and the tool prints the name for the region you choose.

Transcribed from the EU glossary of common ingredient names (Implementing Decision (EU) 2025/1175) and checked against it; the US names are the ones FDA's substance registry (GSRS) records, and the uses are those CosIng, the Commission's cosmetic ingredient database, lists. A labelling reference.