Professional Guidelines from Manufacturers: Storage and Transportation Condition Recommendations for Scented Candles

You have perfected your fragrance formula. You have designed beautiful packaging. Your candles have passed quality control and are ready to ship to your customers.

But wait—the journey is not over yet.

For scented candles, the period between leaving our factory and arriving in your customer’s hands is the most vulnerable time. Improper storage or transportation can ruin months of hard work. A perfect candle can emerge from its box with frost, sweat, or even a lost scent.

At ENO Aroma, we believe our responsibility doesn’t end at the factory door. Today, we share our professional guidelines on how to store and transport scented candles to ensure they arrive exactly as we made them.

Why Candles Are Sensitive

Candles are not just blocks of wax; they are complex chemical systems. Wax, fragrance oil, and dye are blended together at specific temperatures. Once solidified, they exist in a delicate balance.

External factors can disrupt this balance, causing:

• Frosting: White, snowy patterns on the surface of natural waxes (especially soy).
• Sweating: Liquid oil droplets forming on the surface or inside the packaging.
• Décoloration : The candle changing color due to light or heat.
• Scent Loss: Fragrance evaporating or degrading, making the candle weak when burned.
• Tunneling: Premature separation of wax from the glass caused by temperature swings.

To protect your brand reputation, controlling the environment from our dock to your customer’s shelf is essential.

Part 1: Storage Recommendations (Before You Sell)

Whether you are a distributor with a warehouse or a brand storing inventory, how you store your candles directly impacts their shelf life.

1. Temperature Control (The Golden Rule)

Recommendation: Store candles in a cool, dry place with a stable temperature between 15°C to 25°C (59°F to 77°F) .

Pourquoi :

• Too Hot: If wax gets too soft, fragrance oil can separate and leak out (sweating). High heat also accelerates fragrance evaporation.
• Too Cold: Extreme cold can make wax brittle and shrink, causing it to pull away from the glass. When warmed again, this can lead to cracking or tunneling.

Factory Tip: Avoid storing candles near windows, heating vents, or exterior walls that fluctuate in temperature.

2. Avoid Direct Sunlight

Recommendation: Store candles in opaque boxes or in a dark room.

Pourquoi : UV rays from the sun are powerful. They can:

• Fade the color of the wax and the packaging.
• Degrade the fragrance molecules, altering the scent.
• Increase the internal temperature of the candle, leading to sweating.

3. Humidity Control

Recommendation: Maintain relative humidity below 60%.

Pourquoi : High humidity can damage labels (peeling or wrinkling), rust metal lids, and promote mold growth on wooden wicks or natural packaging.

4. Proper Orientation

Recommendation: Always store candles upright.

Pourquoi : Storing candles on their sides puts pressure on the wax and can cause it to separate from the container. It can also cause dust to settle on the wick.

5. First-In, First-Out (FIFO) Inventory Management

Recommendation: Rotate your stock. Sell the oldest candles first.

Pourquoi : Even under perfect conditions, candles have a shelf life. Natural waxes like soy can develop a "bloom" (white film) over time. Rotating stock ensures customers always get the freshest product.

Part 2: Transportation Recommendations (Shipping to Customers)

Shipping candles is challenging. They are heavy, fragile, and temperature-sensitive. Here is how to protect them during transit.

1. Seasonal Shipping Considerations

The time of year determines the risk.

• Summer Shipping: The inside of a shipping container or truck can reach 60°C (140°F). This is a disaster zone for candles.
  • Solution : Use temperature-controlled trucks (reefers) for long-distance or high-risk routes. If not possible, schedule shipping to avoid the hottest weeks, or use insulated packaging.
• Winter Shipping: Freezing temperatures can make wax brittle.
  • Solution : Allow candles to return to room temperature slowly before opening the box. Opening a frozen candle immediately can cause thermal shock and cracking.

2. Packaging for Protection

Your outer box is the last line of defense.

• Snug Fit: Candles should not move inside the box. Use dividers or custom inserts to prevent glass-to-glass contact.
• Cushioning: Use enough bubble wrap or foam to absorb shock from drops and impacts. Pay special attention to the bottom and top of the box.
• Box Strength: Use double-walled corrugated boxes for heavier candles. A crushed box often means a broken candle.

3. Labeling the Carton

Recommendation: Clearly mark the outside of shipping boxes with handling symbols.

• "This Side Up" Arrows: To ensure orientation is maintained.
• "Fragile" Labels: To alert handlers.
• "Keep Away from Heat" / "Temperature Sensitive": To raise awareness, especially during warehouse storage.

4. The Ocean Freight Factor

For international shipments, the journey is longer and the conditions are harsher.

• Dew Point Risk: Containers experience drastic temperature changes between day and night, causing condensation (container rain). This moisture can soak into outer cartons and damage labels.
• Solution : Consider using desiccants (silica gel packs) inside the container or master cartons to absorb excess moisture. Also, using a moisture barrier liner inside the container is a good practice for premium shipments.

Part 3: Common Problems and How to Fix Them

Even with precautions, issues can arise. Here is how to handle them:

If You See Frosting:

Frosting is a natural characteristic of soy wax. It does not affect the burn quality.

• Fix: A light buff with a soft cloth or a quick pass with a heat gun (from a distance) can temporarily remove surface frost. But understand that it may return—it’s the wax’s nature.

If You See Sweating (Oil on Surface):

This indicates the candle got too hot.

• Fix: If the oil is just on the surface, gently blot it with a paper towel. Let the candle sit at room temperature to see if the wax reabsorbs it. If it persists, the fragrance load may be too high for the wax—something we test for during development.

If You See Label Damage:

Peeling or wrinkled labels are usually due to humidity.

• Fix: There is no easy fix for labels. Prevention is key. Ensure your storage is dry and that your labels are made from moisture-resistant materials.

The ENO Aroma Commitment

At ENO Aroma, we test our candles under extreme conditions to simulate the worst-case shipping scenarios. We subject them to heat, cold, and vibration tests before we approve a formula for mass production.

But we also want you to be successful after the product leaves our hands. That is why we share this knowledge.

When you partner with us, you get more than a manufacturer; you get a logistics advisor who wants your candles to arrive as perfect as the day they were made.

Have questions about your specific shipping route or storage setup? Contact our team today. We are happy to review your supply chain and offer personalized recommendations.