Behenyl alcohol on your skin: a safety profile

What is behenyl alcohol?

The IUPAC name is docosan-1-ol.

Also known as: docosan-1-ol, docosanol, C22 alcohol, 1-docosanol.

IUPAC name

docosan-1-ol

CAS number

661-19-8

Molecular formula

C22H46O

Molecular weight

326.62 g/mol

SMILES

CCCCCS

PubChem CID

8067

Regulatory consensus

2 regulatory and scientific bodies have classified Behenyl alcohol. The classifications differ — that's the data.

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where you encounter behenyl alcohol

• luxury_moisturizer
• premium_sunscreen
• body_cream
• anti_aging_cream

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Behenyl alcohol:

• Plant-derived oils with established safety profiles (jojoba, squalane, shea butter)
  Trade-offs: Consumer preference for 'natural' label; many natural fragrance compounds are potent allergens (limonene, linalool, eugenol); 'natural' ≠ 'safe'; often more expensive than synthetic equivalents.
  Relative cost: 1.2-2×
• Ceramide-based formulations (biomimetic skin barrier repair)
  Trade-offs: Alternative emollient; skin feel, spreadability, and occlusion properties differ; comedogenicity should be assessed for facial use; stability in final formulation needs verification.
  Relative cost: 1.5-3×
• Glycerin-based humectant systems as partial replacement
  Trade-offs: Direct chemical substitution requires verification that the replacement does not introduce new hazards (regrettable substitution). Conduct full hazard assessment of proposed alternative before adoption.
  Relative cost: 1.2-2×

Frequently asked questions