Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
C18-21 alkane
CAS 64742-46-7
Concern score
Not assessed — no hazard data yet.
C18-21 alkane in plain language
Used in cosmetics as a solvent.
- Solvent
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
What we know about this ingredient
Canonical ingredient record built from 1 public-source records.
Regulation
No restrictions found. C18-21 alkane appears in these published regulatory listings.
EUCosIngActiveC18-21 Alkane is a mixture of alkanes with 18 to 21 carbons in the alkyl chain. Restriction: II/875 Distillates (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.
- C18-21 Alkane is a mixture of alkanes with 18 to 21 carbons in the alkyl chain. Restriction: II/875 Distillates (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.Source →
Expert safety opinions
No expert opinion on file for C18-21 alkane. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for C18-21 alkane yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Found in these products
Cosmetic and personal-care products that list C18-21 alkane are shown first. Their ingredient lists include C18-21 alkane; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
