Walk down any candle aisle and you'll see the same two words repeated on every label: soy wax and paraffin wax. If you've ever stood there wondering which one is actually better — or why the soy candle costs twice as much — this guide is for you.

The short answer: soy wax burns cleaner and slower. Paraffin is cheaper and throws scent slightly harder. But there's more to it than that, and the difference matters more than most people realize.

What Is Soy Wax?

Soy wax is made from soybean oil, a renewable plant-based ingredient. The oil is extracted, hydrogenated, and turned into a wax that melts at a low temperature — around 45–50°C (113–122°F).

Because soy melts at a lower temperature than paraffin, a soy candle produces a cooler, larger melt pool. That's why soy candles often have a longer total burn time for the same amount of wax.

Good soy wax — like the Golden Brands 464 blend used in many artisan candles — is also known for excellent glass adhesion and a smooth, even surface. In other words, it looks as clean as it burns.

What Is Paraffin Wax?

Paraffin wax is a byproduct of petroleum refining. It's abundant, cheap, and melts at a higher temperature, which is why it's the default in most mass-produced candles.

Paraffin itself isn't the villain it's sometimes made out to be — but it does burn hotter and produces more soot than soy. That soot is the black residue you might have seen staining the inside of a glass jar or a nearby wall.

Soy vs Paraffin: The Full Comparison

Burn Time: Why Soy Lasts Longer

Because soy burns cooler, it consumes wax more slowly. A 200g soy candle can burn for 40–50 hours, while a comparable paraffin candle might finish in 30–40 hours. Over a month of nightly burns, that difference adds up.

Scent Throw: The Real Trade-Off

This is where paraffin fans make their case. Paraffin has a naturally stronger "throw" — the fragrance travels further, faster.

But here's what most labels don't tell you: a candle's scent depends far more on the fragrance oil than the wax. A paraffin candle with cheap, diluted fragrance will still smell weak. A soy candle with a proper 8% load of high-quality, IFRA-certified fragrance oil will fill a room reliably and cleanly — without the sharp, almost chemical edge that some paraffin candles carry.

Health & Cleanliness

Soy wax is biodegradable, water-soluble (easy to clean if spilled), and burns with minimal soot. Paraffin's petroleum base means more soot and, for people sensitive to it, occasional headaches or irritation from heavily fragranced, low-quality candles.

Neither is "toxic" in normal use — but if you light candles every day, the cleaner burn of soy is genuinely easier to live with.

Why Soy Candles Cost More (and Why It's Worth It)

Soy wax is more expensive than paraffin, and so is everything that goes into a well-made soy candle:

• IFRA-certified fragrance oil (tested for safe usage levels) costs more than bulk "fragrance" blends.
• Lead-free cotton wicks cost more than metal-core wicks.
• Hand pouring means every candle is made in small batches, not stamped out on a production line.

A $38 soy candle isn't 4x the material of a $9 paraffin candle. You're paying for the burn time, the clean scent, and the fact that someone actually tested it before selling it to you.

The Bottom Line

Choose soy wax if you want a longer, cleaner burn, a smoother scent, and fewer soot stains. Choose paraffin if you're on a tight budget and don't mind a shorter, hotter burn.

For everyday use — a candle you actually live with and light repeatedly — soy is the better long-term value. Every Fei Candle is made with 100% Golden Brands 464 soy wax, IFRA-certified fragrance oil, and a lead-free cotton wick. If you want to experience the difference for yourself, our Bailu (White Dew) candle — an osmanthus and sandalwood scent inspired by the Chinese autumn — is the best place to start. Or browse the full collection.

Next up: once you've got your soy candle, the way you burn it matters as much as the wax. Read why your first burn should last a full hour.