If candles feel like a big project, melt-and-pour soap is the friendliest craft there is. The soap base is already made, so there is no lye to handle and no weeks of curing. You melt it, add fragrance and color, pour it into a mold, and in about two hours you have real bars of soap.
Here is everything you need for your first batch, and how one sampler bundle turns into five batches with five different scents.
Why Melt-and-Pour Is Perfect for Beginners
- No lye: the chemistry is done before you start
- Fast: bars are ready to use as soon as they are firm
- Cheap to try: one pound of base makes about four bars
- Forgiving: if a batch goes wrong, you can often remelt it
You Will Need
This makes about four 4 oz bars.
- 1 lb melt-and-pour soap base (clear glycerin, shea butter, or goat milk)
- 0.5 oz fragrance oil rated for soap (about 3%), which is one full 0.5 oz sample
- A soap mold with four 4 oz cavities, or any silicone mold
- A microwave-safe glass measuring cup, or a double boiler
- A kitchen scale
- A spoon or small spatula for stirring
- Rubbing alcohol in a small spray bottle, to pop bubbles
- Optional: soap colorant such as mica or cosmetic clay
Soap base and molds are easy to find at craft stores or online. The fragrance is where we come in.
Why a Sampler Bundle Is the Smart Start
Because each batch uses one 0.5 oz vial, a five-scent sampler bundle gives you exactly five batches, or about 20 bars, each with a different scent. For soap, we recommend The Fresh & Clean Fragrance Bundle. All five scents are rated for soap:
- Fresh & Clean: soapy, watery, and green
- High Tide: cool marine notes with sage and mint
- Elegant Swan-Soft: clean and powdery
- Lemon Fabulous: bright lemon with a hint of pine
- Original Fabulous: pine and marine
Prefer florals? The Flowery Meadow Fragrance Bundle is also rated for soap, with Soothing Lavender, Fig & Oakmoss, Herbal Citrus Mint, Powdery Bouquet, and Kaia. One note: Herbal Citrus Mint allows only 1.4% in soap on its IFRA certificate, so use it at a lighter load or blend it with another scent. Each bundle is $49.95 and ships free in the lower 48.
Instructions
1. Cut and weigh.
Cut 1 lb of soap base into small, even cubes so it melts evenly.
2. Melt gently.
Microwave the cubes in 20 to 30 second bursts, stirring between each, until just melted. Or melt in a double boiler. Do not let it boil, which makes the soap rubbery and cloudy.
3. Cool slightly, then scent.
Let the base sit for a minute or two so it is not steaming. Stir in your colorant, then add the 0.5 oz of fragrance. Stir slowly for about 30 seconds so you do not whip in bubbles.
4. Pour.
Pour into your mold and spritz the surface with rubbing alcohol to pop any bubbles.
5. Set and unmold.
Leave it undisturbed for 1 to 2 hours until completely firm, then pop the bars out. They are ready to use right away.
6. Wrap.
Wrap bars in plastic wrap or shrink wrap within a day. Melt-and-pour soap contains glycerin, which pulls moisture from the air and can leave beads of "sweat" on unwrapped bars.
Tips for Better Bars
- Stick to about 3% fragrance. More can make bars sweat or feel greasy and can go over the IFRA limit for soap. Our fragrance load guide has the math.
- Use a little color. A tiny pinch of mica goes a long way.
- Label as you go. Five scents look alike once they are wrapped. Write the scent and date on each bar.
- Keep botanicals out. Dried flowers and herbs usually turn brown in soap. Add them on top, if at all.
Ready for fall scents next? Our small-batch fall soap guide has five warm blends, and how to choose fragrance oils for soap explains what to look for. If you later move on to cold process soap, read our guide to fragrance behavior in cold process soap first, because it behaves very differently from melt-and-pour.
From the eScential Team
Melt-and-pour soap is IFRA Category 9. These are the bar soap limits from the certificates for all ten fragrances in both bundles. The 3% in this recipe is inside the limit for every one of them except Herbal Citrus Mint:
- Fresh & Clean: bar soap and bath products up to 4.3%; flash point 212°F.
- Lemon Fabulous: bar soap and bath products up to 17.6%; flash point 192°F.
- Original Fabulous: bar soap and bath products up to 57.5%; flash point 185°F.
- High Tide: bar soap and bath products up to 100%; flash point 185°F.
- Elegant Swan-Soft: bar soap and bath products up to 26%; flash point 212°F.
- Soothing Lavender: bar soap and bath products up to 42.4%; flash point 176°F.
- Fig & Oakmoss: bar soap and bath products up to 8%; flash point 176°F.
- Herbal Citrus Mint: bar soap and bath products up to 1.4%; flash point 176°F.
- Powdery Bouquet: bar soap and bath products up to 17.5%; flash point 176°F.
- Kaia: bar soap and bath products up to 8.3%; flash point 189°F.
A Customer Favorite
TerryAnn on Fresh & Clean: "Is there anything better than a fresh and clean fragrance? This scent is bright and uplifting with floral notes paired with green leaves."
A Note on Safety
Use only fragrances rated for soap, and stay at or below the soap limit on each product's IFRA (International Fragrance Association) certificate, found on the product page. Melted soap base is hot: handle it with care, and keep children and pets away while you work. Fragrance oils should not be applied undiluted to skin or ingested. Test a finished bar on a small patch of skin first, and stop use if irritation occurs. If you plan to sell your soap, research the labeling rules that apply to you. These statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease.
Make Your First Batch This Weekend
One pound of base, one fragrance sample, and an afternoon is all it takes. Pick up The Fresh & Clean Fragrance Bundle or browse all our Sampler Bundles, and see our Start Here page if you want help choosing.
Frequently Asked Questions
Is melt-and-pour soap real soap?
Yes. The base is real soap that has already been made, so you skip the lye step and the long cure.
How much fragrance oil do I need for melt-and-pour soap?
About 3%, or 0.5 oz per pound of base. One 0.5 oz sample scents one pound, which makes about four 4 oz bars.
Can I use any fragrance oil in soap?
Only ones rated for soap. Check the uses listed on each product page and the soap limit on the IFRA certificate.
Why is my soap sweating?
That is glycerin dew from humidity. It is harmless. Wrap bars soon after unmolding and store them somewhere dry.
How long does melt-and-pour soap take?
About 20 minutes of work and 1 to 2 hours to set. Bars are ready to use as soon as they are firm.
Can I use essential oils instead?
Yes, many essential oils work in melt-and-pour soap. Use gentle oils like lavender and keep strong ones such as cinnamon and clove to a very small amount, if at all.