INCI name

C18-21 ALKANE

C18-21 alkane

Solventreviewed

A mixture of C18-21 alkanes, used as a solvent and linked to an Annex II entry.

What it is

C18-21 alkane is, according to CosIng, a mixture of saturated hydrocarbons (alkanes) with 18 to 21 carbon atoms in the chain. CosIng lists it as a solvent. The EU data link this ingredient to an entry in Annex II (prohibited substances).

Where it is used

Appears on the ingredient lists of a small number of products.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

See the EU regulation section for what the Annex II entry covers and how it applies.

Functions

Solvent
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

EU regulation

EU · Annex II, entry 875Distillates (petroleum), hydrotreated middle, except if the full refining history is known and it can be shown that the substance from which it is produced is not a carcinogen
As of
3 November 2026 · (EC) 2009/1223

Products with this ingredient (1)

Check a full ingredient list