Don’t throw away your old, spent candles. With a little wax, a pretty container, and some basic supplies, you can upcycle old candles into beautiful, handcrafted new ones—perfect as gifts or for enjoying at home.
I’m a big fan of stores like Anthropologie for their creative home pieces and amazing candle scents. Those signature fruity, floral fragrances often come from specialty candles that feel too indulgent to burn all the time. When someone gifted me one of those pricey candles, I saved and savored it for special moments—until eventually only the last bits of wax remained.
Rather than discard the jar with leftover wax, I decided to reuse it. If you’ve ever hesitated to burn a candle because you wanted to make it last, this simple DIY—how to reuse candle wax and upcycle an old candle into a new one—will be handy. It’s economical, eco-friendly, and the result looks and smells great.
How to Reuse Candle Wax
You’ll need:
1. Wick and tabs
2. A new candle holder (a small glass or mercury glass votive looks lovely)
3. A double boiler or a makeshift double boiler (a heatproof bowl over a saucepan works)
4. A pen or small stick to hold the wick upright
What to do with Old Candles
Start by scooping the remaining wax from the old candle container with a spoon. Soy and other common candle waxes usually come out in chunks if the jar wasn’t burned all the way down. Place the wax pieces into your double boiler so they can melt evenly and safely. I used a glass bowl set over a saucepan with an inch or two of water—simple and effective.
Be sure to remove any burnt bits or charred wick remnants. These can affect the appearance and burn quality of your new candle, so scrape them out thoroughly before melting.
A little helper can make the project more fun—supervision is key if children are nearby since you’ll be working with hot wax.
Heat the water in the saucepan gently and allow the wax to melt completely. Stir occasionally to help any fragrance oils distribute evenly. Keep the heat low so the wax melts gradually—this helps prevent overheating and preserves the scent.
While the wax melts, prepare your new container. Secure a wick tab to the bottom center of the holder—melt a dab of wax to hold it in place if needed. Thread the wick through the tab and drape the top of the wick over a pen or stick rested across the jar to keep it straight.
When the wax is fully melted and smooth, carefully pour it into the prepared holder. Work on a protected surface and take care with hot wax. If you’re mixing wax from different scented candles, pour slowly so the fragrances blend gently rather than overpowering each other.
I used a mercury glass votive as my new container—the reflective finish makes the candle look extra special. Let the wax cool and harden completely before trimming the wick to about 1/4 inch.
Once set, your upcycled candle is ready to use or gift. As a bonus, the melting process releases a pleasant aroma into your home while you work. Small mason jars filled with mixed leftover scents—like spiced pumpkin and vanilla—make thoughtful, handmade presents for friends, teachers, or family members.
If you usually toss used-up candles, try saving them instead. Reusing candle wax is an easy, sustainable craft that reduces waste and creates attractive results. With a few supplies and a little patience, you can transform scraps of wax into a beautiful new candle that fills your space with fragrance and character.