The ingredient, explained
Pentylene Glycol
Pentylene Glycol has published research relevant to the stated experimental context.
Ingredient guide
What it is and what it does
1‚2-Dihydroxypentane
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Skin conditioning
- A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.
- Solvent
- Dissolves other ingredients in a formula.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Laboratory research
Penetration and evaporation measurements produced product-specific estimates of potential systemic exposure.
What this does not tell us
Excised pig-skin measurements and modelled margins of safety do not establish a general safety guarantee or a human moisturising benefit.
Sources for this summary. PubMed 28483712 ↗
Research review checked Oct 1, 2026
Selective exact-identity review of 0 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Laboratory research
Margin of safety of pentylene glycol derived using measurements of cutaneous absorption and volatility. ↗
Regulatory toxicology and pharmacology : RTP · 2017
Follow the formula
Products containing this ingredient
From the Serenfold edit. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
1‚2-Dihydroxypentane
- INCI name on ingredient lists
- PENTYLENE GLYCOL
- CAS registry number
- 5343-92-0
- EC number
- 226-285-3
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026


