Di Propylene Glycol (DPG)


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Ingredients: Dipropylene Glycol

Description: Liquid

Dipropylene Glycol is a high-purity product, designed for use in odour-sensitive applications such as fragrances and cosmetics. The material, a distilled product with a purity greater than 99.5% as dipropylene glycol, is a liquid that is practically odourless, colourless, water-soluble and hygroscopic.

Specific Gravity:  approx 1.02

Flash Point: 120C

Making a reed diffuser base:

  • Dipropylene Glycol  20-60% depending on your particular fragrance.
  • Fragrance 10-60%
  • Caprylic Capric Triglyceride:  20-60% depending on your particular fragrance.
  • Ethanol  10-30% depending on your particular fragrance.
  • The ideal Reed Diffuser Base balances the solubility of the perfume with the speed of travel up the reed. It is ideal to balance the speed of diffusion so that the perfume oil lasts for a long time and doesn’t leave the base behind as it travels.  If the mixture is too thick it may not be taken up by the reed, if it too volatile the smell might not last long.  As every fragrance is different the ideal formula may be different for everyone.  The DPG plays an important role as a solvent in this mixture and while there are other solvents that might work in its place, it has so far been impossible for us to find a more natural alternative.

Additional information

Bottle Size

100mL, 250mL, 500mL


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Important Notes: Information on the traditional uses and properties of herbs and essential oils are provided on this site for historical and educational purposes only, and is not intended as medical advice. If you have any serious health concerns, you should always check with your health care practitioner before self-administering herbs or essential oils.

We supply all of the raw ingredients you need to make your own herbal teas, blends, incenses, etc. They are not packaged with instructions. By selling them in this simple format we can provide them to you at the best possible price. Please reference this page for any instructions. If in doubt, feel free to Contact Us.

All prices are in Australian Dollars and inclusive of GST.

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