Curi/Atlas/C18-21 Alkane
INCI · other · CIR review pending · used in 1 products

C18-21 Alkane

C18-21 Alkane is a mixture of saturated hydrocarbons (alkanes) with 18 to 21 carbons in the alkyl chain. It is registered under CAS # 64742-46-7 and EC # 932-078-5. It falls under the petroleum-derived distillate category and is subject to EU Cosmetic Restrictions (II/875), which restrict its use unless the full refining history is known and the source substance is confirmed non-carcinogenic.

Evidence level
weak
EWG score
Comedogenic
Category
other

● Benefits

The source identifies C18-21 Alkane solely as a solvent in cosmetic formulations. No additional skin benefit claims are made in the source material.

solvent
● Cautions

Subject to EU Cosmetic Restriction II/875: use is restricted unless the full refining history is known and it can be demonstrated that the substance from which it is produced is not a carcinogen (petroleum-derived distillate concern).

Where Curi finds it.