How to Store Essential Oils Properly & Their Maximum Shelf Life

Essential oils are powerful, natural plant extracts known for their therapeutic and aromatic benefits. But to preserve their potency and extend their effectiveness, it’s crucial to know how to store essential oils properly. Without the right storage, oils can degrade, oxidize, or lose their fragrance over time.

In this blog, we’ll explain exactly how to store essential oils, what affects their shelf life, and how long they typically last—so you get the most out of every drop.

Why Proper Storage of Essential Oils Matters

Essential oils are sensitive to light, heat, air, and moisture. If exposed to these elements, they can:

• Oxidize and lose therapeutic properties

• Change color, scent, or texture

• Become irritating to the skin

• Expire or spoil faster

Proper storage helps maintain purity, safety, and effectiveness for as long as possible.

1. Store in Dark Glass Bottles (Amber or Cobalt Blue)

Essential oils should always be stored in dark-colored glass bottles, like amber or cobalt blue. These protect the oils from UV light, which can break down chemical compounds.

Avoid:

• Plastic bottles (essential oils can dissolve plastic)

• Clear glass bottles (unless kept in a dark place)

2. Keep Bottles Tightly Closed

Oxygen causes oils to oxidize, which reduces their shelf life and can make them less effective or even irritating. Always ensure the cap is closed tightly after each use.

Tip: Never leave the dropper or cap off longer than necessary.

3. Store in a Cool, Dry, and Dark Place

Heat and light speed up chemical breakdown. Keep your oils in:

• A cool cupboard or drawer

• A dedicated essential oil storage box

• A refrigerator (for oils with shorter shelf life)

Avoid storing oils:

• Near windows or in direct sunlight

• In bathrooms (humidity speeds up degradation)

• Close to heat sources like radiators or stoves

4. Label Oils with Opening Date

It’s a smart idea to label each bottle with the date you opened it. This helps track freshness and identify oils that may be past their prime.

5. Use Clean Tools and Hands

When using droppers or transferring oils, ensure your tools are clean and dry. Contamination from moisture, dirt, or skin bacteria can ruin an oil’s integrity.

6. Store Carrier Oils Separately

Carrier oils (like jojoba or coconut oil) are not essential oils and have a different shelf life. Always store them separately and check them for rancidity before use in blends.

Shelf Life: How Long Do Essential Oils Last?

The shelf life of essential oils varies depending on the oil and storage conditions. Below is a general guideline:

Note: Oils don’t "go bad" like food, but over time they lose their potency and may irritate the skin if oxidized.

How to Tell If an Essential Oil Has Expired

Signs that your essential oil may no longer be usable:

• Change in smell (rancid, sour, or musty)

• Change in color or consistency

• Skin irritation when applied (even if diluted)

• Reduced effectiveness

If in doubt, it’s best to dispose of expired oils safely and replace them.

Can You Refrigerate Essential Oils?

Yes—especially for citrus oils or oils with shorter shelf lives. Store them in an airtight container in the fridge to extend freshness. Before use, allow the oil to come to room temperature naturally (don’t heat it).

Final Tips for Essential Oil Storage

• Keep oils out of reach of children and pets

• Store blends separately from pure oils

• Always recap bottles tightly after use

• Consider investing in a wooden or aluminum storage box

Final Thoughts

Properly storing essential oils is essential if you want to maintain their quality, safety, and aromatic power. By keeping your oils in dark bottles, away from heat, light, and moisture, you can extend their shelf life and get the most therapeutic value from each drop.

Whether you use essential oils for sleep, stress relief, skincare, or natural cleaning, proper storage ensures you enjoy their full benefits for years to come.