We’ve all been there: you craft a beautiful, natural DIY cleanser, but it either fails to foam, or worse, it leaves your skin feeling tight, dry, and stripped of its natural oils. Finding the balance between “clean” and “gentle” is the ultimate challenge in natural formulation.
Enter SCI Powder, the unsung hero of the natural beauty world. Known formally as Sodium Cocoyl Isethionate, this ingredient is the secret to achieving that professional, creamy lather without the harsh sulfates that irritate sensitive skin. In this guide, we’re diving into the science of “Baby Foam” and why it’s a must-have for your home apothecary.
What Exactly is SCI Powder?

SCI Powder is a fine, white-to-off-white powder derived from the fatty acids of coconut oil. In the world of chemistry, it is classified as a surfactant.
Surfactants are unique molecules that reduce the surface tension of water. One end of the molecule loves water (hydrophilic), and the other loves oil (lipophilic). This allows the SCI Powder to latch onto dirt and oils on your skin, break them down, and allow them to be washed away with water. Because of its mild nature and ability to produce a dense, stable foam, it has earned the nickname “Baby Foam.”
The Benefits: Why “Baby Foam” is a Game Changer

If you are looking for high-quality, professional results in your DIY body-care, SCI Powder offers three major advantages:
Ultra-Mild Cleansing
Unlike harsh sulfates (like SLS), SCI is incredibly gentle. It cleanses thoroughly while remaining soft, making it suitable for those with sensitive or dry skin.
Luxurious Sensory Appeal
It produces a “creamy” rather than “sudsy” foam. Think of the difference between dish soap bubbles and the dense, rich lather of a high-end facial cleanser.
Moisture Retention
Because of its unique structure, it helps the skin retain its natural moisture barrier. Instead of feeling “squeaky clean” (which usually means your skin is dehydrated), your skin feels soft and hydrated.
Eco-Friendly & Biodegradable
Being plant-based and coconut-derived, it’s a sustainable choice for environmentally-conscious creators.
The Gold Standard of Safety: Understanding the EWG Score

When formulating at home, safety is paramount. We look to the Environmental Working Group (EWG) Skin Deep® database to understand the impact of ingredients on our bodies.
SCI Powder carries an EWG Score of 1.
An EWG score of 1 is the highest safety rating an ingredient can receive. It indicates that the ingredient is not currently on restricted or unacceptable lists and has a low risk for toxicity or irritation. This makes it a foundational ingredient for anyone looking to create “clean” beauty products for themselves or their families.
Tips & Tricks for Formulating Like a Pro

Working with SCI Powder is rewarding, but it does require a little “know-how” to get the best results:
The Power Couple
For a truly “salon-quality” lather, blend SCI Powder with Foam Boost (Cocamidopropyl Betaine). This combination creates a synergistic effect that makes the foam even creamier and more stable.
The Particle Factor
Because it is a fine powder, it can be “dusty.” Always work in a well-ventilated area.
Heat is Your Friend
SCI doesn’t always dissolve instantly in cold water. When making liquid cleansers, gently heating your water phase can help the powder integrate smoothly.
How to Use SCI Powder + Recipe Inspiration

SCI is incredibly versatile. It is a “solid” surfactant, which makes it the star ingredient for waterless beauty products.
Solid Shampoo Bars
Since SCI comes in powder form, it is the perfect base for travel-friendly shampoo bars. It provides the cleansing power needed for hair without the plastic bottle.
DIY Facial Cleansing Bars
This is where SCI truly shines. It cleanses the delicate skin on your face without disrupting the pH balance.
- Fancy Face Cleansing Bars
- Clean Slate Mini Shampoo Bar (Recipe reveal soon; from May 2026 Recipe Box)
Creamy Body Washes
Add a small percentage of SCI to liquid formulations to “boost” the lather and give the wash a more pearlescent, high-end feel.
Other Recipes to Try
Essential Safety Information

While SCI is gentle on the skin, it is a concentrated surfactant in its powder form. Please follow these safety guidelines:
Respiratory Protection
SCI is a fine powder and can be a lung irritant if inhaled. Always wear a face mask and eye protection during the mixing process.
Usage Rates
While it is gentle, it is powerful. Stick to a usage rate of up to 50% for rinse-off products (like soaps) and 17% for leave-on products.
Patch Test
As with any new ingredient, always conduct a patch test with your finished product to ensure no personal sensitivities exist.
Ready to Level Up Your DIY?

Understanding the science behind your ingredients is the first step to becoming a master formulator. SCI Powder is more than just a foaming agent—it’s the key to a more gentle, luxurious, and effective self-care routine.
Are you ready to experience “Baby Foam” for yourself? Grab your SCI Powder and start crafting your own professional-grade cleansers today.
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