The fridge at the Bramble Berry studios is currently filled with lime LaCroix. It’s a crowd-pleasing flavor that’s the perfect pick-me-up during the afternoon. With so much LaCroix in the office, we had to make soap with it.
This Lime LaCroix Soap is a more abstract interpretation than the Grapefruit LaCroix Soap. Rather than trying to recreate the can, the Lime LaCroix inspired the colors for an In-The-Pot Swirl. Scented with Lime Fragrance Oil, these bars smell bright and fruity.
LaCroix doesn’t contain any alcohol so it doesn’t need to be boiled prior to using it in soap. It also doesn’t contain sugar, so you don’t need to worry about the lye scorching or the soap overheating. Does the LaCroix add any real skin benefits to the soap? No, not really. But it’s fun from a label standpoint, and it’s the perfect gift for any LaCroix lover.
Interestingly, the lime LaCroix behaved better in soap than the grapefruit LaCroix. We found that the grapefruit LaCroix became a little grainy, while this soap stayed nice and smooth during the entire process. Just a heads up that the performance of LaCroix in soap may vary flavor to flavor.
What You Need: Click below to add everything you need for this project to your Bramble Berry shopping cart!Lime LaCroix Soap Tutorial
9 Cube Soap Silicone Mold
33 oz. Swirl Quick Mix
4.6 oz. Sodium Hydroxide Lye
10.9 oz. Flat Lime LaCroix
2.4 oz. Lime Fragrance Oil
Blue Slushy Mica
Kermit Green Mica
Hydrated Chrome Green Colorant
Aqua Pearl Mica
Titanium Dioxide
If you’ve never made cold process soap before, stop here. Check out our FREE four part SoapQueen.tv series on cold process soapmaking, especially the episode on lye safety. Bramble Berry also carries a wide range of books on the topic, including Pure Soapmaking.
LA CROIX PREP (1-2 days before): Open one can of Lime LaCroix and allow it to sit out for 1-2 days to get rid of carbonation. The best way to test if the LaCroix is flat is to taste it. Once it no longer contains carbonation and you’re ready to soap, pour 10.9 ounces into a lye safe container.
COLOR PREP: In separate containers, disperse 1/2 teaspoon of titanium dioxide, Aqua Pearl Mica, Hydrated Chrome Green Pigment, and Slushy Blue Mica into 1/2 tablespoon sunflower or sweet almond oil (or any other liquid oil). In a separate container, disperse 1 teaspoon Kermit Green Mica into 1 tablespoon lightweight liquid oil. Use a mini mixer to get rid of clumps.
OPTIONAL: To ensure that the titanium dioxide blends smoothly into the soap batter, we recommend micronizing it before dispersing it in oil. To micronize the colorant, simply use a coffee grinder to blend it. That breaks up any clumps of color and prevents streaks of white from showing in the final soap. We like to use a coffee grinder that has a removable stainless steel mixing area for easy cleaning.
FRAGRANCE PREP: Measure 2.4 ounces of Lime Fragrance Oil into a glass fragrance-oil-safe container. Set aside.
SAFETY FIRST: Suit up for safe handling practices. That means goggles, gloves, and long sleeves. Make sure kids, pets, other distractions, and tripping hazards are out of the house or don’t have access to your soaping space. Always soap in a well-ventilated area.
ONE: Slowly and carefully add the lye to the LaCroix and gently stir until the lye has fully dissolved and the liquid is clear. Set aside to cool. If you’d like a harder bar of soap that releases faster from the mold, you can add sodium lactate to the cooled lye water. Use 1 teaspoon of sodium lactate per pound of oils in the recipe. For this recipe, you’d add 2 teaspoons of sodium lactate.
TWO: Fully melt the entire bag of Swirl Quick Mix until it’s completely clear and there is no cloudiness. Shake the bag to mix up all the oils. Measure 33 ounces into your soaping bowl. Once the lye water and the oils have cooled to 130 degrees F or below (and are ideally within 10 degrees of each other), add the lye water to the oils and stick blend the mixture to a thin trace.
THREE: Pour 200 mL of the soap batter into two separate containers. Then pour 400 mL of soap into another container. Add the following amounts of dispersed colorants to each container of soap and use a whisk to fully mix in the colorants.
- Container A (200 mL): 1 tsp. Blue Slushy Mica
- Container B (200 mL): 1 tsp. Aqua Pearl Mica
- Container C (400 mL): 2 tsp. Kermit Green + 1/2 tsp. Hydrated Chrome Green Pigment
- Container D (remaining soap in largest container): 1 tsp. titanium dioxide + 1 tsp. Kermit Green
FIVE: Add the Lime Fragrance Oil proportionally to each container (it’s okay to eyeball it) and use a whisk to mix it in thoroughly. The soap batter should be thin enough to pour but thick enough so the colors don’t muddle when mixed together. If the soap batter is extremely thin, give it a few pulses with the stick blender to slightly thicken.
SIX: Pour all of the light blue soap into the bowl of light green soap, concentrating it on one side. Pour from various heights above the bowl to distribute the blue soap throughout the green soap in the bowl.
SEVEN: Pour all of the aqua soap into the large bowl, concentrating it on the other side of the bowl. Pour from various heights above the bowl to distribute the aqua throughout the green soap in the bowl.
EIGHT: Finally, pour all of the darker green soap into the bowl at various heights. Concentrate it in the center of the bowl.
NINE: Pour the soap directly into each cube cavity. We slightly overfilled our molds, so one was not completely full (see below). Fill them slightly less than we did to avoid a short bar.
TEN: Once all the cavities are full, tap the mold firmly on the counter to help get rid of bubbles. Spritz the top with alcohol to prevent soda ash. Cover the mold with a cutting board or other flat surface for 24 hours.
Allow the soap to stay in the mold for another 2-3 days. Soap needs to stay in this mold a little longer than most. See if you can pull the sides of the mold away from the soap. If the sides do not easily pull away, give it another day or two. Pull the sides away to release the airlock and give the soap one more day to stay in the mold. At this point, gently push the soap from the bottom to see if they release. If the bottom feels soft, you can wait another few days, or place the soap in the freezer for about 3 hours. This helps harden the soap enough to push it out from the bottom. Once the soap is out of the mold, allow them to cure for 4-6 weeks and enjoy.
- 9 Cube Soap Silicone Mold
- 33 oz. Swirl Quick Mix
- 4.6 oz. Sodium Hydroxide Lye
- 10.9 oz. Flat Lime LaCroix
- 2.4 oz. Lime Fragrance Oil
- Blue Slushy Mica
- Kermit Green Mica
- Hydrated Chrome Green Colorant
- Aqua Pearl Mica
- Titanium Dioxide
- Slowly and carefully add the lye to the LaCroix and gently stir until the lye has fully dissolved and the liquid is clear. Set aside to cool. If you’d like a harder bar of soap that releases faster from the mold, you can add sodium lactate to the cooled lye water. Use 1 teaspoon of sodium lactate per pound of oils in the recipe. For this recipe, you’d add 2 teaspoons of sodium lactate.
- Fully melt the entire bag of Swirl Quick Mix until it’s completely clear and there is no cloudiness. Shake the bag to mix up all the oils. Measure 33 ounces into your soaping bowl. Once the lye water and the oils have cooled to 130 degrees F or below (and are ideally within 10 degrees of each other), add the lye water to the oils and stick blend the mixture to a thin trace.
- Pour 200 mL of the soap batter into two separate containers. Then pour 400 mL of soap into another container. Add the following amounts of dispersed colorants to each container of soap and use a whisk to fully mix in the colorants.
Container A (200 mL): 1 tsp. Blue Slushy Mica
Container B (200 mL): 1 tsp. Aqua Pearl Mica
Container C (400 mL): 2 tsp. Kermit Green + ½ tsp. Hydrated Chrome Green Pigment
Container D (remaining soap in largest container): 1 tsp. titanium dioxide + 1 tsp. Kermit Green - Add the Lime Fragrance Oil proportionally to each container (it’s okay to eyeball it) and use a whisk to mix it in thoroughly. The soap batter should be thin enough to pour but thick enough so the colors don’t muddle when mixed together. If the soap batter is extremely thin, give it a few pulses with the stick blender to slightly thicken.
- Pour all of the light blue soap into the bowl of light green soap, concentrating it on one side. Pour from various heights above the bowl to distribute the blue soap throughout the green soap in the bowl.
- Pour all of the aqua soap into the large bowl, concentrating it on the other side of the bowl. Pour from various heights above the bowl to distribute the aqua throughout the green soap in the bowl.
- Finally, pour all of the darker green soap into the bowl at various heights. Concentrate it in the center of the bowl.
- Pour the soap directly into each cube cavity. We slightly overfilled our molds, so one was not completely full (see below). Fill them slightly less than we did to avoid a short bar.
- Once all the cavities are full, tap the mold firmly on the counter to help get rid of bubbles. Spritz the top with alcohol to prevent soda ash. Cover the mold with a cutting board or other flat surface for 24 hours. Allow the soap to stay in the mold for another 2-3 days. Soap needs to stay in this mold a little longer than most. See if you can pull the sides of the mold away from the soap. If the sides do not easily pull away, give it another day or two. Pull the sides away to release the airlock and give the soap one more day to stay in the mold. At this point, gently push the soap from the bottom to see if they release. If the bottom feels soft, you can wait another few days, or place the soap in the freezer for about 3 hours. This helps harden the soap enough to push it out from the bottom. Once the soap is out of the mold, allow them to cure for 4-6 weeks and enjoy.
Michelle says
Would this recipe also work with the 10″ silicone loaf mold?
Matt with Bramble Berry says
That mold holds just over 3lbs. of soap, so this recipe wouldn’t fill it all the way to the top, but it would certainly work. You can always use our lye calculator to adjust the recipe to fit a different mold: https://www.brambleberry.com/Pages/Lye-Calculator.aspx
Jaleesa says
I don’t know why but, this seems like such a fun/cool project to do! Great … now I have no choice but to go spend more money. Thanks a lot. 😉
Kelsey with Bramble Berry says
Ha, have fun! Save a few LaCroix to drink. 😉
betterlivingandhome says
This soap came out gorgeous and I bet it smells so energitic. But I am just curious to know what benefits Lacroix adds to the soap, other than, of course, from marketing point of view.
Kelsey with Bramble Berry says
We found the LaCroix didn’t really change the way the bar felt. We just thought it would be fun to experiment with one of our favorite drinks and share the results. 🙂
Eric says
I have a BB order on the way and I’m going to attempt the grapefruit one. However, LaCroix is either not available in WV or I simply have never heard of it. I have to ask: is it pronounced like the American LaCroy or like the French LaKuah? I’ll make a post on the grapefruit one when I try it late next week (minus the LaCroix).
Linda says
I just checked, in WV you can find it at Walmart and Target as well as Food King? Its just unsweetened, flavored, sparkling water. But it’s a hot consumer product right now.
Kelsey with Bramble Berry says
It’s pronounced like La Croy – it’s super popular here in Bellingham, WA. Distilled water will work as well though. 🙂
Margene says
Does the Lime LaCroix add more bubbles to the bar of soap or lather better? Like adding Beer to soap.
Kelsey with Bramble Berry says
We found the LaCroix didn’t really change the way the bar felt. We just thought it would be fun to experiment with one of our favorite drinks and share the results. 🙂
Michael says
Fun 🙂 I love the colors!
Kelsey with Bramble Berry says
Thank you!