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How To Dilute Your Pure Essential Oils Properly

Because of the concentrated strength of pure essential oils, proper dilution is a fundamental component of practicing safe aromatherapy.  Dilution refers to the practice of mixing drops of pure essential oils into a carrier oil, water, or other unscented delivery methods including lotions and creams.

How to Dilute Essential Oils

There are a few different ways to measure and dilute your essential oils. Measure by the drop either from an insert (known as a reducer) or by a glass pipette. Or use measuring spoons, especially when mixing larger amounts. Any of these choices work depending on the container you're using.

Most essential oil dilution rates should be 3% or less for topical use (as an example, 3 drops of essential oil to 97 drops of carrier oil). This dilution rate would be considered safe and effective for most aromatherapy applications.

The exception would be for children, pregnant women, the elderly, or anyone weakened from chronic illness. In those cases, a 1% dilution is recommended although even less might be appropriate.

Always remember: in aromatherapy, more doesn’t mean better. Too great a concentration can lead to an unwanted reaction.

The following is standard dilutions and conversions.

  • 1% dilution: 6 drops per ounce
  • 2% dilution: 12 drops (about ⅛ teaspoon) per ounce
  • 3% dilution: 18 drops (a little less than ¼ teaspoon) per ounce

      The intended use for your essential oil will determine what dilution percentage you should use.  For example, for facial cosmetics, a lower range of 0.2-1.5% is recommended but for room sprays, a higher percentage can be used. We’ve created a chart to help you follow our recommended practices:

      Essential Oil Dilution Chart


      Dilution Range

      Facial Cosmetics

      0.2 - 1.5%

      Body Massage

      1.5 - 3%

      Bath & Body Products

      1 - 3%

      Hair Care

      1.5 - 3%

      Air Mist/Room Freshener

      2 - 3%

      Surface Spray



      Measuring larger amounts? It can be easier to use measuring spoons instead of trying to track the number of drops you’ve used. The following conversion chart is a helpful tool for whichever measuring method you prefer.

      Essential Oil Dilution Approximate Measurement Conversion Chart

      12 drops

      ⅛ tsp

      1/48 oz.

      ⅙ dram

      ⅝ ml.

      25 drops

      ¼ tsp

      1/24 oz.

      ⅓ dram

      1 ¼ ml.

      100 drops

      1 tsp

      ⅙ oz.

      1⅓ dram


      150 drops

      1½ tsp

      ¼ oz.

      2 drams

      7.5 ml

      300 drops

      1 Tbsp

      ½ oz.

      4 drams

      15 ml.


      Have questions about diluting your essential oils? Drop us a line or give us a call at 1-800-207-8538. We’re always here to help you out on your essential oil journey.

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