Free of sulfates and surfactants, this sea salt shampoo bar recipe is made with simple ingredients for a healthy, natural hair care solution. Made with a whole egg or egg yolks, this cold process soap recipe creates a natural egg yolk soap bar that’s perfect for shiny hair.
I first discovered and used a salt shampoo from Etsy many many years back. While that particular shop is no longer in business, I always loved the extra volume and texture it gave my hair. Having fine, typically limp hair, the salt brought out my hair’s natural waves that I’d forgotten I have, and made it more lush, thick and luxurious.
I recently rediscovered salt shampoo with Pacifica’s Salty Waves hair care line. This in turn inspired me to create my own milk and egg sea salt shampoo bar infused with ginger and sea kelp.
Formulated using coconut oil for strong, shiny hair, this natural sea salt shampoo bar recipe also contains milk and egg to moisturize and condition hair. In addition I also added ginger essential oil and sea kelp for their hair care benefits.
Sea kelp, which is a natural source of iodine, treats dandruff while also strengthening and nourishing both your hair and scalp. Like sea kelp, ginger essential oil also treats dandruff. Additionally, ginger essential oil can boost hair growth and diminish hair loss. It also makes hair soft and shiny. (Not to mention it smells AMAZING!)
Not only will your hair love the combination of ingredients found in my natural sea salt shampoo bar recipe, but you’ll also love how long it lasts! Just one bar should last about the same amount of time as two to three bottles of a similar shampoo in liquid form.
My sea salt shampoo bar recipe contains 75% sea salt and 30% superfat. While salt bars typically make incredibly hard bars of soap, I reduced the water to 30% of the oil in this recipe to compensate for the addition of the egg. You can use either one whole egg for my salt shampoo bar or two egg yolks as desired.
Learn more about the benefits of egg soap here.
Milk & Egg Sea Salt Shampoo Bar Recipe
Ingredients:
14 oz. coconut oil
4.2 fl. oz. half and half
1.8 oz. sodium hydroxide/lye
10.5 oz. fine sea salt
one egg (or two egg yolks)
1 Tablespoon kelp powder
.5 oz. fresh ginger essential oil
1 teaspoon alpine green mica (optional)
Instructions:
My sea salt shampoo bar recipe yields six soap bars weighing about 5 oz. each. I used this silicone chrysanthemum mold for this soap recipe.
Begin by measuring out the half and half in fluid ounces. Place the half and half in your freezer until it is slushy with a thin layer of ice on top. In the meantime, remove the egg (or eggs) from the refrigerator and bring to room temperature.
While you are waiting, collect all of the other ingredients and equipment you’ll need for making my sea salt shampoo bar recipe. This includes proper eye protection, long sleeved clothing and gloves.
You should also double check any containers you are using to be sure they are heat safe. None of your containers or your utensils used for soapmaking should be aluminum. Stick to stainless steel, Type 5 polypropylene plastic and tempered glass to avoid a potential disaster.
If you’ve never made homemade soap before, I recommend reviewing my cold process soapmaking tutorial before getting started. This will help you gain a better understanding of the process as well as help you determine if my milk & egg sea salt shampoo bar recipe is the best recipe to start with.
Once your egg or egg yolks reach room temperature and your half and half is icy cold, you are ready to get started!
Using a digital scale weigh out the coconut oil into a heat safe container. Then, depending on the container used, either heat the coconut oil until melted at reduced power in the microwave, in a double boiler or over medium-low heat on the stovetop. Once melted, remove the coconut oil from heat, then set aside to cool.
In a separate container, weigh out the lye called for in the recipe. Pour the lye into the half and half and then stir until all the lye has dissolved. Set aside.
In the interim, measure out the kelp powder and mica (for color if desired) and weigh out the ginger essential oil and sea salt.
Once your coconut oil has cooled to around 90°F, remove about a cup of the oil from the container. Add the egg (to temper it so you don’t end up with scrambled eggs) and whisk until combined.
Now slowly pour the half and half and lye mixture into the main container of melted coconut oil. Mix briefly using an immersion blender, then add the remaining coconut oil and egg.
Mix again using the immersion blender until combined, then add the salt, kelp powder, essential oil and mica. Continue mixing until you reach trace, then pour evenly into each of your mold’s six cavities.
Lightly cover the mold with parchment paper or foodservice film and set aside overnight. You can unmold your sea salt shampoo bars the next day.
All that’s left now is to allow your shampoo bars to cure for four to six weeks prior to use. Once cured, simply massage your shampoo bar onto your wet hair and scalp as desired. Then rinse out and follow with an apple cider vinegar rinse or my homemade scalp tonic recipe.
More Natural Soap Recipes to Try
If you like my sea salt shampoo bar recipe, then you may also enjoy some of my other homemade soap recipes.
- Cold Process Egg Soap Recipe
- Coffee, Cocoa & Egg Soap Recipe (Pictured above.)
- Lavender Bergamot Salt Bar Recipe
- Basic Bastille Soap Recipe with Essential Oils
- Homemade Yogurt Soap Recipe for Skin Health
- Natural Black Clay & Sea Salt Soap Recipe
- Pink Salt & Sal Butter Soap Recipe
- Cold Process Macadamia Nut Salt Bar Recipe
- Ginger & Lime Shampoo Bar Recipe with Silk
Not Quite Ready to Tackle This DIY?
If you’re not quite ready to give my milk & egg sea salt shampoo bar recipe a try but still want to experiment with salt shampoo, here are some of my favorite handmade salty shampoos from Etsy artisans.
- Rosemary Honey & Beer Shampoo Bar with Coconut Oil via Chloe Mason Soap Company (Pictured above.)
- Tea Tree & Mint Sea Salt Shampoo with Moroccan Argan Oil via Sincerity Bath & Body
- Don’t Be Salty Sea Salt Shampoo via Bath Therapy Goods
- Himalayan Pink Salt Shampoo Bar via Chloe Mason Soap Company
- Salt Mine Whip Shampoo via Belle & Blaire Handmade Bath and Body
- Green Tea & Sea Salt Shampoo Bar via Friendly Body Product
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or up to 1 oz. 
and slowly pour into your distilled water in a well ventilated area. Stir with a non-aluminum utensil and set aside to cool.
. Once these both reach about 95°F, and are within 10°F of one another, you are ready to combine them.
to mix the ingredients. Once your soap reaches trace, mix in your fragrance and/or essential oils.
