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Cosmetic Ingredient Archive: Dipropylene Glycol

Dipropylene Glycol, Oxydipropanol



1. INCI name

Dipropylene Glycol

2. Molecular formula

C6H14O3

3. CAS number

110-98-5
25265-71-8

4. EC Number

203-821-4
246-770-3

5. EWG grade

  • Score: 1-2
  • Data availability: Limited (The data is not reliable)


6. Origin

Synthetic

7. Function

  • Fragrance
  • Solvent
  • Viscosity decreasing agent
  • Skin conditioning agent

8. Regulatory status(countries)

None

9. Property

  • Boiling Point: 230.5℃
  • Molar mass: 134.173 g/mol
  • Density: 1.0206 g/㎤ at 20℃
  • Physical appearance: Colorless liquid

10. Remark

  • Since dipropylene glycol has a structure in which two propylene glycols are attached, the molecular structure is large. Therefore, it is a safe ingredient that does not accumulate on the skin due to less skin penetration.
  • It also serves as a very useful moisturizer that attracts moisture around the skin with it's water solubility and at the same time prevents moisture from evaporating from the skin.
    • It is a higher raw material than butylene glycol or glycerin in terms of moisturizing power alone. 
    • However, it is also expensive. It is usually two to three times the price of glycerin.

Source

- https://www.ewg.org/skindeep/


Location: South Korea

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