Product Overview
SLSA is a mild, anionic surfactant supplied by EZ Elements as a free-flowing white to off white powder. Its INCI name is Sodium Lauryl Sulfoacetate, with a CAS number of 1847 58 1. Derived from coconut and palm kernel oil, SLSA is one of the gentlest sulfate free alternatives to traditional sulfates like SLS and SLES, prized for producing rich, dense, stable foam without the irritation potential of harsher surfactants.
SLSA is a solid at room temperature and does not carry the fatty, oily character of many liquid surfactants, which is exactly why it has become a favorite in powder based and solid formulations, from fizzing bath bombs to solid shampoo bars, where a liquid surfactant simply would not work.
Why It Is Behind So Many Bath and Body Bestsellers
SLSA has earned a reputation as one of the most dependable foaming agents in natural and sulfate free formulation, and its performance profile explains why.
- Big, dense, long-lasting foam. SLSA produces some of the richest, most stable foam of any mild surfactant, which is why it is the go-to choice for bath bombs, bubble bars, and foaming bath salts.
- Gentle on skin and eyes. Despite its strong foaming power, SLSA carries a very low irritation profile, even at the higher concentrations sometimes used in solid formulations.
- A solid, powder format. Because SLSA is supplied as a powder, it is uniquely suited to solid and powdered products, including shampoo bars, bath bombs, and powdered bath soaks, where liquid surfactants are impractical.
- Naturally derived and biodegradable. Sourced from coconut and palm kernel oil, SLSA fits naturally into natural, sulfate free, and ECOCERT aligned formulation lines.
- Broad usage range. Depending on the product type, SLSA can be used anywhere from a few percent in liquid foaming products up to 50 percent or more in solid bars, giving formulators significant flexibility.
Key Features & Benefits
- Supplied as a free-flowing white to off white powder for easy, accurate weighing and blending.
Derived from coconut and palm kernel oil, offering a naturally sourced alternative to petroleum-based sulfates.
- Produces rich, dense, stable foam, ideal for bath bombs, bubble bars, and shampoo bars.
- Very low eye and skin irritation potential, even at higher concentrations, compared to traditional sulfates.
- Free of sulfates, making it a strong fit for sulfate free and sensitive skin formulations.
- Biodegradable and compatible with natural and ECOCERT aligned formulation standards.
Applications
SLSA is used across personal care and bath and body formulation categories served by EZ Elements.
Personal Care & Bath Formulations
- Bath bombs and fizzing bath products, where SLSA introduces foaming action to the fizzing reaction
- Bubble bars and bath truffles, where it serves as the primary foaming agent
- Solid shampoo bars and syndet bars, where it delivers cleansing and rich lather in a solid format
- Facial cleansers and exfoliating scrubs, where its mildness suits gentle, everyday formulations
- Body washes and liquid cleansers, used as a mild, sulfate free surfactant
- Powdered bath salts and foaming bath soaks, where SLSA adds a foaming element to the soak experience
Technical Specifications
| Property | Specification |
| INCI Name | Sodium Lauryl Sulfoacetate |
| CAS No. | 1847 58 1 |
| Chemical Family | Anionic sulfoacetate surfactant |
| Derived From | Coconut and/or palm kernel oil |
| Appearance | White to off white free flowing powder or granules |
| Odor | Mild, slightly sweet |
| Solubility | Highly soluble in water |
| Recommended Use Level | 3% to 8% in liquid foaming products; 15% to 25% in powdered products; up to 50% or more in solid bars, depending on formulation |
| Handling Note | Fine airborne powder; wear a mask and work in a ventilated space when measuring in bulk |
| Biodegradability | Biodegradable |
| Regulatory Status | Considered safe as used per CIR Expert Panel review; TDS, COA, and SDS available on request |
Why Choose EZ Elements as Your Supplier
EZ Elements supplies SLSA with consistent quality and complete documentation, supporting personal care brands, soap makers, and bath and body formulators across Canada.
- Full documentation including Technical Data Sheet (TDS), Certificate of Analysis (COA), and Safety Data Sheet (SDS)
- Consistent particle size and purity for reliable foam performance batch to batch
- Bulk supply with transparent, competitive pricing, especially valuable during this week’s surfactant promotion
- Technical support on usage rates across liquid, powder, and solid bar formulations
Safety & Storage Guidelines
- Store in a cool, dry place, away from direct sunlight and moisture.
- Keep the container tightly sealed between uses, since SLSA is hygroscopic and can clump if exposed to humidity.
- SLSA is a fine, airborne powder. Wear a mask and work in a contained, well-ventilated space when handling or measuring in bulk.
- Avoid contact with eyes and avoid breathing dust. Dilute appropriately before use in finished formulations.
Complete handling, first aid, and disposal instructions are provided in the Safety Data Sheet (SDS) available from EZ Elements upon request.
Frequently Asked Questions
Q1: What is SLSA used for?
SLSA is used as a mild, sulfate free foaming surfactant in bath bombs, bubble bars, solid shampoo bars, facial cleansers, and body washes, wherever a rich, stable foam is needed without the irritation potential of harsher sulfates.
Q2: Is SLSA the same as SLS?
No. Despite the similar name, SLSA (Sodium Lauryl Sulfoacetate) is a distinct, much milder ingredient than SLS (Sodium Lauryl Sulfate). SLSA is often chosen specifically as a gentler, sulfate free alternative to SLS in natural and sensitive skin formulations.
Q3: Is SLSA gentle enough for sensitive skin?
SLSA is widely regarded as one of the mildest foaming surfactants available and is commonly used in sensitive skin and natural formulations. It carries a low irritation potential even at the higher concentrations used in some solid bar formulas, though a patch test is always recommended for new formulations.
Q4: Can SLSA be used in liquid products, or only solid formulations?
SLSA works in both. It is especially valued in solid and powdered products like bath bombs and shampoo bars, but it also performs well in liquid foaming products such as bath gels and body washes at lower use levels.
Q5: What ingredients pair well with SLSA?
SLSA is frequently combined with CAPB to boost mildness and foam stability, and with citric acid and baking soda in bath bomb formulations to drive the foaming, fizzing reaction.
Q6: Where can I buy SLSA in bulk in Canada?
SLSA is available for bulk purchase directly from EZ Elements, with supply options for personal care brands, soap makers, and bath and body formulators across Canada. This week, SLSA is included in our Back-to-School promotion, 15% off all surfactants and soap ingredients through August 9. Contact our team for current pricing, documentation, and product samples.
Related Ingredients
The following EZ Elements ingredients are commonly used alongside SLSA in bath, body, and cleansing formulations:
- CAPB (Cocoamidopropyl Betaine 35%) A mild amphoteric surfactant frequently paired with SLSA to boost mildness and stabilize foam in shampoos and body washes.
- Emulsifying Wax NF A self-emulsifying wax used alongside SLSA in cream cleansers and lotion style body washes that combine emulsified and foaming systems.
Order or Enquire
Looking to buy SLSA in bulk? Contact EZ Elements for current pricing, full product documentation, and supply options across personal care and bath and body formulation. This week’s Back to School promotion takes 15% off all surfactants and soap ingredients through August 9. We supply brands, manufacturers, and formulators across Canada. Reach out today to request a sample, Technical Data Sheet, or a bulk pricing quote for your next project.
