Soy vs. Paraffin Wax: What's the Difference?
Not all candles are created equal — and the wax is where it starts. Long before a scent ever fills your room, the wax it's poured into decides how clean it burns, how long it lasts, and what it's actually releasing into your home. So we're breaking down the two most common waxes on the market: soy and paraffin.
Where each one comes from
Soy wax is made from soybean oil — a renewable, plant-based source that's hydrogenated into a solid form. Paraffin, on the other hand, is a byproduct of petroleum refining. One comes from a field, the other from a barrel.
How they burn
- Burn time: Soy wax burns slower and cooler than paraffin, which means your candle lasts longer per ounce of wax.
- Soot: Paraffin tends to release more visible soot as it burns. Soy burns noticeably cleaner.
- Scent throw: Paraffin can carry a slightly stronger initial scent throw, but soy holds fragrance more evenly across the life of the candle rather than front-loading it.
- Melt pool: Soy wax tends to melt more evenly across the surface, which helps prevent tunneling when the candle is burned properly.
What it means for your home
Because it's plant-derived, soy wax is biodegradable and renewable, and it burns without the petro-carbon soot associated with paraffin. For anyone lighting a candle several times a week, that difference adds up — cleaner air, cleaner jars, and a candle that's doing a little less damage on its way to smelling good.
"We chose soy because we wanted a candle you could actually feel good about burning — not just one that smelled nice for twenty minutes and left a mess behind."
That's really what it comes down to. Paraffin is cheaper to produce and it's everywhere for a reason — it's fine. But "fine" isn't the bar we set for Sweeta Candle. Every one of our candles is hand-poured in natural soy wax, because we wanted something that burns clean, lasts, and actually earns its place on your shelf.
The wax is the foundation. Everything else — the scent, the burn, the feeling — is built on top of it.