Independent buying guides for candle making

Hearth & Harbor Natural Candle Dye for Soy Wax, 24 Popular Candle Color Dye Blocks for Soy Wax, Highly Concentrated Blocks, Nontoxic Supplies for DIY Candle Making Review (2026)

Updated September 14, 2026 · Research-based review

Our verdict

A 24-block dye set from Hearth & Harbor, formulated for soy wax and sold as nontoxic. The wide color range and highly concentrated blocks make it easy to hit strong, saturated colors with a small piece per batch, though getting a pale pastel takes practice since the blocks are made to go a long way.

Hearth & Harbor Natural Candle Dye for Soy Wax, 24 Popular Candle Color Dye Blocks for Soy Wax, Highly Concentrated Blocks, Nontoxic Supplies for DIY Candle Making

Hearth & Harbor natural candle dye for soy wax with 24 highly concentrated color blocks for DIY candles.

Price range: $ (Budget)

What we liked

  • + 24 colors cover most shades without mixing
  • + Highly concentrated blocks go a long way per candle
  • + Formulated for soy wax, the most popular hobby wax

Trade-offs

  • - Concentrated blocks make light pastels tricky to hit
  • - Nontoxic claim still needs care around children

What this set covers

Hearth & Harbor packages 24 dye blocks in this set, each one a distinct color rather than a handful of shades you have to blend to get variety. That range is enough to cover most of what a home candle maker reaches for, from primary colors to softer tones, without needing a second brand's set on the shelf. The blocks are marketed as formulated specifically for soy wax, which is the wax most hobbyists start with, and the brand describes them as nontoxic. Because each color comes as its own solid block rather than a liquid dropper, there is no measuring cup or dropper to clean between colors, you just break off a piece of the shade you want.

How the blocks are used

Once your wax is melted, you add a piece of the dye block and stir until it is fully combined, continuing to heat as needed for even coloring, generally up to around 185 Fahrenheit. Some makers instead melt a small amount of wax with a piece of the dye block first, then stir that concentrate into the rest of the batch, which can make it easier to judge color strength before committing the whole pour. Because the blocks are highly concentrated, a small sliver goes a long way, so there is no waste from having to use a full chip when you only need a touch of color. You can also combine pieces from two different blocks to build a custom shade rather than sticking to the 24 as-is.

Getting the color you want

The concentration that makes these blocks efficient is also the main thing to plan around. Because a small piece colors a full batch, dialing in a light pastel means starting with a sliver much smaller than you would guess and adding gradually, since it is far easier to deepen a color than to lighten one that has gone too dark. Test a small amount of wax before committing a full pour if you are chasing a specific shade, and keep notes on how much of each block you used so a favorite color is repeatable next time. The blocks store well between uses since they are solid rather than liquid, so a partially used block will not dry out or separate the way some liquid dyes can.

How it compares with the 26-color set from Candle Shop

In our score of 8.6, this Hearth & Harbor set ranks first among candle dye options, just ahead of a 26-color block set from Candle Shop that trades a couple of extra colors for a slightly narrower brand reputation. Between the two, the practical difference is small: both are concentrated blocks meant for soy wax, and the choice mostly comes down to whether the specific 24 or 26 shades match the palette you plan to use most. Compared with liquid dyes, block dyes like this one are easier to store without spilling and let you break off an exact amount, though liquid dyes can be faster to blend into a large batch since there is no waiting for a solid piece to melt in.

Who should pick this set

This is a solid pick for anyone making soy candles who wants a wide color range without juggling a full shelf of liquid bottles, and the nontoxic labeling is reassuring for makers working at a kitchen table. It suits beginners and more experienced makers alike, since the blocks are simple to use but concentrated enough to reward some care in dosing. If your projects lean heavily toward very pale, barely-there tints, a liquid dye you can add drop by drop may be easier to control precisely. For anyone coloring soy wax in small to medium batches and wanting strong, consistent color without much waste, this set is a straightforward choice.

Frequently asked questions

Is this dye set made for soy wax specifically?

Yes. Hearth & Harbor markets this set as formulated for soy wax, though block dyes of this type are commonly used with other waxes as well.

How much of a dye block do I need per candle?

A small piece goes a long way because the blocks are highly concentrated. Start with a sliver and add more gradually rather than using a full block at once.

Can I mix colors from different blocks?

Yes. The blocks can be combined to create custom shades beyond the 24 included colors.

Is this dye considered safe to use at home?

The brand describes the blocks as nontoxic, but they should still be kept away from children and used with the same care as any candle making supply, following the manufacturer's guidance.

Prices change often, so check the current price and availability on Amazon.

Check price on Amazon

Candle Making Nest may earn a commission from the link above.

Featured in these buying guides