A solvent and humectant material commonly supplied as an isomer mixture.
Sources: 1No alternative names recorded.
Not assessed
No pregnancy- or breastfeeding-specific assessment has been completed for this record. A cosmetic safety review is not a pregnancy rating.
Not assessed
Dipropylene Glycol
What it does
Helps dissolve and distribute formula ingredients and may contribute to moisture retention.
Sources: 1Good for
- Solvent and carrier functions
How to use it
Follow the finished product's label. Do not apply raw solvent or denatured material as a skincare treatment.
Sources: 1Who should be careful
Tolerance depends on the complete product and exposure. It is not interchangeable with propylene glycol in an allergy assessment.
Sources: 1Pairs well with
No supported pairings have been documented for this record.
Usage, safety and formulation details
Mechanism of action
Its glycol functionality supports interaction with water and compatible organic ingredients.
Sources: 1Potential adverse effects
Irritation or stinging depends on concentration, exposure and the rest of the formula.
Sources: 1Formulation considerations
Confirm commercial composition and purity; one isomer diagram would not describe every grade.
Sources: 1Pregnancy and breastfeeding
Not assessed
No pregnancy- or breastfeeding-specific assessment has been completed for this record. A cosmetic safety review is not a pregnancy rating.
Safety tags
- Fragrance allergen
- Not assessed
Not separately assessed in this draft.
- Essential oil
- Not assessed
Not separately assessed in this draft.
- Drying alcohol
- Not assessed
Not separately assessed in this draft.
- May irritate sensitive skin
- Not assessed
Not separately assessed in this draft.
What remains uncertain
- Exact concentration, final pH and the full composition of any unprovided finished product
- Exact material, composition and supplier-grade specifications
Clinical evidence and research
Clinical evidence
Evidence for its main benefitNot assessed
The cited references support identity, formulation role or safety context. No standalone clinical efficacy rating has been completed for the main benefit in this draft.
Sources: 1Regulation and ingredient label names
Regulatory information
No jurisdiction-specific assessment is recorded. An inventory listing is not blanket approval.
Names on ingredient lists
dipropylene glycol
Chemical identity and molecular structure
Chemical information
Chemical structure
No single structure to show yet
This ingredient represents a mixture, extract, polymer or ingredient family. A single molecular diagram may not describe its composition.
| Detail | Value | Source |
|---|---|---|
| material scope | Variable material or ingredient family: no single molecular formula, molecular weight or bond diagram describes every grade. | CIR: Butylene glycol, hexylene glycol, ethoxydiglycol and dipropylene glycol |
Content updated 9 November 2026.
Sources (1)
Scientific sources
- CIR: Butylene glycol, hexylene glycol, ethoxydiglycol and dipropylene glycolsafety assessment · 1985
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