Choosing the wax is the first — and most important — decision in candle making. It influences burn time, fragrance throw, aesthetic appeal, final cost, and even the message your product communicates to the consumer. In this guide, we delve into the differences between natural waxes and paraffin, debunk some myths, and help you find the right solution for your project.
1. Technical Differences
🌿 Natural Waxes (soy, coconut, palm, rapeseed, beeswax, etc.)
- Origin: Derived from plant or animal sources. Soy wax is obtained by hydrogenating soybean oil; beeswax is a product of the beehive; coconut wax is derived from refined copra oil; rapeseed wax is widely used in Europe as an alternative to soy.
- Combustion: Burn slower than paraffin, with a generally lower and more consistent flame. This results in a longer burn time for the candle of the same weight.
- Emissions: Produce fewer soot residues and fewer volatile compounds, hence they are perceived as "cleaner." However, the amount of soot also heavily depends on the wick, container diameter, and proper flame maintenance.
- Scent (hot throw and cold throw): Fragrance release is generally more delicate and gradual. The cold throw (scent when the candle is unlit) is often good with soy, while the hot throw (diffusion when the candle is lit) may be lower than paraffin, especially at high essential oil concentrations. Not all natural waxes hold the same percentage of fragrance: soy typically accepts 6-10%, coconut up to 10-12%.
- Aesthetic Appearance: Often softer, creamier, and opaque. They can exhibit phenomena like frosting (a whitish surface crystallization typical of soy), sink holes (dips in the center during cooling), and wet spots (wax detaching from the container walls in glass jars).
- Processing: Lower melting points (soy: 46-52°C, coconut: 36-40°C). Require longer cooling times and a controlled environment to achieve smooth surfaces. Soy wax is sensitive to ambient temperature and may require a second pour to level the surface.
🛢️ Paraffin
- Origin: A byproduct of petroleum refining. It is distilled, decolorized, and deodorized to obtain a stable and odorless product. It is the most widely used wax in the candle industry worldwide, for both artisanal and industrial candles.
- Combustion: Burns at higher temperatures, with a slightly brighter flame. For the same weight, the burn time is shorter than soy, but this depends heavily on the formulation (melting point, additives, wick type).
- Emissions: Produces slightly more soot and traces of volatile organic compounds. It should be noted that independent studies (including those by the European Candle Association) have not shown significant health risks under normal use and ventilated conditions.
- Scent (hot throw and cold throw): Excellent fragrance load capacity (up to 10-12% and beyond). The hot throw is typically more powerful and immediate: paraffin is the preferred choice when an intense and "full" fragrance is desired in large spaces.
- Aesthetic Appearance: Allows for smooth, glossy finishes and more vibrant colors. It is the most versatile wax for decorative effects: layered candles, marbled effects, carved pillars, perfectly smooth surfaces. It does not suffer from frosting.
- Processing: Melting point varies depending on the grade (from 48°C for soft container waxes up to 68°C and beyond for hard pillar waxes). Easy to work with, rapid cooling times, excellent adhesion to the container. Compatible with most dyes and synthetic fragrances.
2. Environmental Impact and Sustainability
| Factor | Natural Waxes | Paraffin |
|---|---|---|
| Source | Renewable resources (agriculture) | Derived from petroleum (fossil resource) |
| Biodegradability | High, decomposes easily | Slower, but still degradable |
| Carbon Footprint | Variable: depends on cultivation, transport, and processing | Low as a process (byproduct), high in the petroleum lifecycle |
| Deforestation | Concrete risk for palm; negligible for European soy and rapeseed | Not applicable |
| Certifications | Available: RSPO (palm), non-GMO, organic | Not applicable |
| GMOs | Most American soy is GMO; European soy and rapeseed are often non-GMO | Not applicable |
3. Performance Comparison
| Parameter | Natural Waxes | Paraffin | Blends |
|---|---|---|---|
| Burn Time | ★★★★★ | ★★★★★ | ★★★★★ |
| Hot Throw (fragrance) | ★★★★★ | ★★★★★ | ★★★★★ |
| Cold Throw | ★★★★★ | ★★★★★ | ★★★★★ |
| Aesthetic Finish | ★★★★★ | ★★★★★ | ★★★★★ |
| Ease of Processing | ★★★★★ | ★★★★★ | ★★★★★ |
| Adhesion to Container | ★★★★★ | ★★★★★ | ★★★★★ |
| Dye Compatibility | ★★★★★ | ★★★★★ | ★★★★★ |
| Consumer Perception | ★★★★★ | ★★★★★ | ★★★★★ |
4. Blends: The Best of Both Worlds
In professional practice, many candlemakers (even those positioned as "natural") use blends, which are mixtures of different waxes. The most common blends:
- Soy + Coconut: Improves the hot throw of pure soy, adds creaminess. Typical ratios: 70/30 or 60/40.
- Soy + Paraffin: Combines soy's burn time with paraffin's scent power and smooth finish. Very commonly used commercially.
- Coconut + Paraffin: Exceptional hot throw, silky texture. One of the highest performing blends overall.
- Paraffin + Stearin: Classic combination for pillar candles. Stearin (vegetable-derived from palm or coconut oil) improves opacity, hardness, and mold release.
- Rapeseed + Coconut: A 100% European vegetable option, with good scent and smooth texture.
5. Debunking Common Myths
False. Paraffin for candle use is a highly refined product, subjected to strict quality controls. Studies conducted by independent bodies (European Candle Association, National Candle Association) confirm that paraffin candles, when correctly formulated and used, do not pose a health risk.
False. Any candle can produce soot if the wick is oversized, too long, or if the candle is exposed to drafts. Soot depends on the quality of combustion, not just the wax.
Depends on the objective. For powerful scent throw in large rooms, paraffin or a paraffin blend often remains the best choice. For a product with an eco-friendly positioning and a sustainability-conscious audience, natural waxes are the most consistent marketing choice.
Not necessarily. Most of the world's soy is genetically modified. If this is important for your brand, specifically look for certified non-GMO soy wax or European origin soy.
6. Which Wax to Choose? Practical Guide for Project Type
🕯️ Container Candles (jars)
Soy wax for containers (e.g., Golden Wax 464, EcoSoya CB-Advanced) or soy-coconut blend. For maximum scent throw: paraffin blend or low melt point paraffin.
🏛️ Pillar Candles
High melting point paraffin wax (60-68°C), with 10-20% stearin added for hardness and opacity. Natural alternatives: palm wax (crystalline effect) or specific blends.
🔥 Wax Melts (Tarts)
Soy or soy-paraffin blend. Flameless, the fragrance depends on low-temperature release. Soy excels in this application.
✨ Premium / Eco-luxury
Pure coconut wax or coconut-rapeseed blend. Silky texture, excellent fragrance throw, "clean" and refined storytelling. Higher price point, justified by positioning.
📦 Volume Production
Paraffin wax. Lower costs, simple and fast processing, less waste, consistent yield. The quality-price ratio is unbeatable for large-scale production.
7. Practical Processing Tips
- Fragrance Addition Temperature: Always follow the wax manufacturer's instructions. Generally: 60-65°C for soy, 70-80°C for paraffin. Adding fragrance at too high a temperature evaporates some of it; too low will not allow for homogeneous incorporation.
- Curing: Soy wax candles require a minimum of 7-14 days of curing to reach maximum hot throw. Paraffin requires less time (3-5 days), but still benefits from a resting period.
- Wick Selection: The wax determines the wick, not vice versa. Cotton wicks are versatile; wooden wicks work well with soy and coconut. Always perform complete burn tests (4 hours of burning per session, until consumed).
- Fragrance Percentage: Never exceed the maximum recommended percentage for your wax. Excess oil can cause sweating, irregular burning, and accumulation at the bottom of the container.
- Ambient Temperature: Pour in an environment at 20-24°C, without drafts. Soy is particularly sensitive to temperature fluctuations.
8. Where to Buy Waxes
On candele.it you will find a complete selection of waxes for every need: container soy wax, natural beeswax, paraffins of different melting points, pillar waxes, and all production accessories — wicks, fragrances, dyes, containers, and equipment.
Whether you are a beginner hobbyist or a professional candlemaker, our catalog is designed to offer you quality raw materials at competitive prices, with fast shipping throughout Italy.
Conclusion
There is no single "right" wax; there is the right wax for your project, your budget, and your audience. Paraffin remains an excellent, high-performing, and safe material — it does not deserve the bad reputation that simplistic communication has given it. Natural waxes offer real advantages in terms of longevity, consumer perception, and eco-friendly storytelling, but they require more experience and attention during processing.
Our advice? Experiment. Test different waxes and blends, take notes, and find the perfect combination for your candles. And if you need guidance on the options, we are here to help.
Cereria San Giacomo — candele.it | Raw materials for candle production since 1986