Step by Step Guides

How to Make Wax Melts & Tarts

Wax melts (tarts, if you've been making them as long as we have) are the easiest project in scented wax: no wick, no jar, no flame. Melt, scent, pour into molds, cure, and pop them out.

Blue wax melt cubes in the dish of a glowing brown ceramic warmer beside a lit candle

Written & tested by

Lone Star Candle Supply

Last edited

Read time

5 min read

Wax melts are scented wax without the need for a flame: no wick to size, no jar to wick. If you can melt and scent wax, you can make them. That simplicity is why we point kids' craft days, fragrance testing, and first-time sellers at this project. We've called them tarts since we started in 1999. Most people buying them today say melts. Both names mean the same thing, and this guide covers the project under either one.

What You'll Need

What You'll Need

Check items off as you gather them

Supplies

Tools & Equipment

  • Molds clamshell molds double as retail packaging; silicone molds make shaped melts
  • Pouring Pot, Thermometer, Scale the prep trio from How to Prepare Wax for Pouring
  • Cookie Sheet moves a full tray of molds without spills
  • Heat Gun optional a quick pass warms silicone molds for glossier melts
  • Utility Knife scores the slab waxes for snapping

Skip ahead to the step-by-step guide

Why Makers (and Buyers) Love Melts

A melt is used in a wax warmer, where a bulb or hotplate liquefies the wax and releases the fragrance with no open flame on the wax itself. That matters to buyers: candles are the heat source in 2% of reported home fires and 5% of home fire injuries[1], and a flame-free option sells itself to anyone with kids, pets, or a flame-free space. It matters to makers too. With no wick, the hardest variable in candle making is gone. That makes melts the fastest way to test fragrances, colors, and fragrance recipes before committing them to candles.

The Step-by-Step Process

How to Make Wax Melts

  1. 1

    Weigh and cut the wax

    Tart slabs are on the hard side: score with a utility knife, snap over a table edge, and weigh the pieces in your pouring pot. Soy melt wax scoops and weighs like any soy flake.

    Hand pressing a steel putty knife into a plastic-wrapped slab of white wax
  2. 2

    Melt in a double boiler

    An inch of simmering water, a trivet under the pot, medium-low heat to 175°F to 185°F. Watch the thermometer and stay with the wax the whole time it's on the heat[1].

    Stainless pouring pot nested in a saucepan double boiler on a black two-burner hot plate
  3. 3

    Add fragrance at 180°F

    Weigh the oil and stir for two full minutes. One ounce per pound is the common load; your wax's product page lists its recommended range. It is safe to add fragrance above its flash point; the precaution is keeping oil away from open flames[2].

    Hand pouring Lone Star Peony fragrance oil from an amber bottle into a pouring pot on a digital scale
  4. 4

    Color and test (optional)

    Stir until even, then drip-test on a paper plate; hardened wax shows the real shade. Many sellers skip dye entirely and let the fragrance label do the talking.

    Hand holding a folded white paper towel marked with a small blue wax color test

    Dye Blocks

    Cut small pieces off the block so they melt in quickly.

    Hands shaving a piece off a black dye block with scissors over scattered dye flakes

    Liquid Dye

    Add by the drop; you can always deepen the shade.

    Hands holding a Navy/Country Blue liquid dye bottle and dropper above a steel pouring pot
  5. 5

    Stage the molds

    Set clamshells or silicone molds on a cookie sheet so a full tray moves without spilling. Silicone molds can take a quick heat-gun pass first for a glossier release; never preheat clamshells, which warp and shrink with heat.

    Empty blue silicone mold with 24 square cavities resting on a metal baking sheet
  6. 6

    Pour slowly

    Fill clamshell cavities to the fill line and silicone molds as deep as you want the melt: nearly full for chunky cubes, halfway for thin ones. They release cleanly either way.

    Dark blue wax pouring from a steel pitcher into the cavities of a blue silicone square mold
  7. 7

    Let them set fully

    Leave the tray alone until the wax is completely hard. Melts released early come out dented and matte instead of crisp.

    Blue silicone mold with all 24 square cavities filled with cooled dark blue wax
  8. 8

    Release and package

    Silicone molds release with a backward flex; clamshells just snap shut and become the package. Don't pry melts out with a knife; it dents the wax and scars the mold.

    Hands flexing a blue silicone mold to pop out a finished square wax tart

Curing, Using, and Selling Melts

Melts cure like candles: give them about a week before warming so the wax binds the fragrance, and expect noticeably stronger throw for the patience. In the warmer, one cube is the right starting dose. The wax re-melts several times, and it's spent once the scent stops rising rather than when the wax disappears. Swap spent wax by letting it harden and popping it out, or warm it for a few seconds first.

For sellers, clamshells are the standard retail unit: pour, snap, label. A How to Make a Wax Tart Bouquet turns the same melts into a giftable arrangement, and the no-wick logic extends to How to Make Car Freshies when you want fragrance that travels.

Sources

  1. Candle Safety National Fire Protection Association, 2024 ↩
  2. 29 CFR 1910.106 — Flammable liquids (definition of flashpoint) U.S. Occupational Safety and Health Administration ↩

Frequently Asked Questions

What is a wax melt? Is it the same as a wax tart?

Same product, two names. A wax melt (the term most people use now) or wax tart (the longtime maker term) is a small piece of scented wax melted in an electric or tealight warmer instead of burned with a wick. The warmer liquefies the wax and releases the fragrance with no flame on the wax itself.

How do you make wax melts?

Melt a tart wax in a double boiler, add fragrance oil at around 180°F and stir two minutes, color if you like, and pour into clamshell or silicone molds. Let them set completely, cure about a week, then pop them out or snap the clamshell shut for packaging.

What wax is best for wax melts?

A dedicated melt wax or a votive wax. We carry a paraffin votive blend (IGI 4794) and a soy melt wax (Golden Brands 494) that both perform well. Melt waxes are harder than container waxes so the cubes release cleanly and hold shape in packaging, and they have no wick to size, so the wax choice is mostly about throw and look.

How much fragrance oil do you put in wax melts?

One ounce per pound of wax is the most common load; manufacturer-recommended ranges for our melt waxes run from 0.5 up to 1.75 ounces per pound. You can load up to the wax's maximum, but never past it; the wax retains only so much oil and the excess separates out in the mold.

Why don't my wax melts smell strong?

Cure time, usually. Give melts about a week before warming them so the wax binds the fragrance. Also confirm you added the fragrance at the right temperature (around 180°F); too cool and it won't bind into the wax. After that, check the load against the wax's recommended range and the warmer itself; an underpowered warmer never gets the wax hot enough to release the scent fully.

Do wax melts need a special warmer?

Any electric or tealight wax warmer works. Electric warmers run flame-free, which is why many people use melts in homes where an open flame isn't welcome. Follow the warmer's fill guidance and start with one cube; you can always add more.

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