Sodium Lauryl Sulfoacetate Coarse SLSa

• INCI Name: Sodium Lauryl Sulfoacetate
• Also Known As: SLSa, Lathanol LAL
• Form: Coarse powder
• Solubility: Water-soluble
• Shelf Life: 1 year
• Water Compatibility: Performs in both soft and hard water
• Safety Note: Airborne product — use a mask and work in a contained space during formulation
• Sizes Available: Sample size through bulk quantities

• Naturally derived from coconut and palm oils — sulfate-free surfactant
• Produces rich, thick, long-lasting foam in bath and personal care formulations
• Widely reported to be gentle on skin, including dry and sensitive skin types
• Performs consistently in both soft and hard water
• Water-soluble and compatible with a wide range of bath and body formulas
• Coarse powder format reduces airborne dispersal compared to fine-grade SLSa
• Available in bulk quantities for commercial and wholesale production needs

• Bath bomb SLSa applications: Add to bath bomb formulas alongside baking soda and citric acid to introduce foaming action to the fizzing reaction
• Bubble bars and bath truffles: Use Sodium Lauryl Sulfoacetate powder as the primary foaming agent to produce mounds of bubbles on contact with bath water
• Shampoo bars: Incorporate at up to 50% in solid shampoo bar formulas for cleansing and lather
• Bath salts: Blend into bath salt formulas to add a foaming element to the soak experience
• Body washes and liquid cleansers: Use as a mild surfactant in rinse-off personal care products
• A reliable choice for formulators sourcing Sodium Lauryl Sulfoacetate for commercial bath and body lines

Measure SLSa powder by weight. Because Sodium Lauryl Sulfoacetate is an airborne powder, always wear a mask and work in a contained, well-ventilated space when handling and measuring this ingredient. For bath bomb formulations, a common starting point is to use the same amount of SLSa as citric acid in your formula. For rinse-off products like bubbling bath bars, bath salts, and truffles, usage rates typically range from 3–20% of total batch weight. In solid products like shampoo bars, SLSa can be used up to 50%. When working with 100% powder blends, incorporate SLSa slowly and gently to minimize airborne dispersal. Always test finished products for skin feel, stability, and performance before scaling production.

Not all Sodium Lauryl Sulfoacetate powder is the same, and the grade you choose has real consequences in a production environment. Fine-grade SLSa has a significantly smaller particle size that becomes airborne very easily, creating respiratory exposure concerns even with a mask. The coarse grade offered here has a larger particle size that disperses more slowly in the air, making it a more practical and manageable option for day-to-day production. It is particularly well suited for bath bomb SLSa applications and any formula where the powder is being blended dry rather than whipped into a liquid phase.

A less commonly discussed but genuinely useful property of Sodium Lauryl Sulfoacetate powder is its role in helping disperse oils and colorants in bath water. Because SLSa is a surfactant, it assists in breaking up oils at the surface of the bath, reducing the oily ring or color slick that can form around the tub when bath bombs or bath salts contain skin-conditioning oils or water-soluble dyes. For formulators developing bath bomb SLSa formulas that also include carrier oils or colorants, this dispersal effect contributes to a cleaner, more professional finished product experience for the end user.

For brands positioning products around clean or environmentally conscious formulation, Sodium Lauryl Sulfoacetate is considered biodegradable and is not associated with aquatic toxicity concerns that have been raised around harsher synthetic surfactants. This makes it a surfactant that can support both a skin-friendly and an eco-conscious product narrative — a combination that is increasingly relevant for bath and body brands developing retail-ready lines where ingredient transparency matters to their customer base.

For formulators developing bath products where the experience matters as much as the ingredients, SLSa powder delivers something that baking soda and citric acid alone cannot — genuine, lasting foam. Bath bomb SLSa combinations are a staple in the industry precisely because the fizzing reaction paired with a rich lather creates the kind of luxurious, spa-like bath experience that keeps customers coming back. Beyond bath bombs, Sodium Lauryl Sulfoacetate powder is one of the more versatile mild surfactants available for solid and liquid personal care formulas alike. Its large molecular structure is what sets it apart from harsher alternatives — it is widely reported to sit on the surface of the skin rather than penetrating it, which is why formulators developing products for sensitive or reactive skin types often reach for SLSa first.

Did You Know? The coarse-grade format of this SLSa powder is generally preferred by formulators over fine-grade varieties because it disperses more slowly in the air during handling, making it a more practical option for day-to-day production environments.

Crafter's Choice Sodium Lauryl Sulfoacetate Coarse Powder is available in sizes ranging from sample quantities to large bulk orders, making it a practical sourcing option for indie formulators, growing bath and body brands, and commercial manufacturers alike. Wholesale Supplies Plus offers competitive pricing and reliable fulfillment to support your production at every scale. Add SLSa to your formula lineup today and give your customers the lather-rich bath experience they're looking for.

What is the difference between SLSA and SLS? Despite similar-sounding names, Sodium Lauryl Sulfoacetate (SLSa) and Sodium Lauryl Sulfate (SLS) are meaningfully different ingredients. SLS has a small molecular structure that allows it to penetrate the skin barrier, which is why it is often associated with dryness and irritation — particularly in people with sensitive skin. SLSa, by contrast, has a significantly larger molecular structure that is widely reported to remain on the skin's surface rather than penetrating it, making it a much milder option. SLSa is also derived from coconut and palm oils and is considered a sulfate-free surfactant, while SLS is a synthetic detergent. For formulators developing products for sensitive skin or clean beauty lines, SLSa is the more skin-compatible choice.

How much SLSa do I use in a bath bomb recipe? A reliable starting point for bath bomb SLSa usage is to match the amount of SLSa to the amount of citric acid in your formula. For broader rinse-off applications — including bubbling bath bars, bath salts, and bath truffles — typical usage rates fall between 3–20% of total batch weight. In solid products like shampoo bars, SLSa can be used up to 50%. Because results can vary depending on the other ingredients in your formula, always test finished batches for lather quality, skin feel, and structural integrity before scaling.

Is SLSa safe for sensitive skin? SLSa is widely reported to be gentle and well-tolerated across skin types, including dry and sensitive skin. Its large molecular structure is believed to limit skin penetration, which is one of the key reasons it is preferred over SLS in formulas designed for more reactive skin types. That said, as with any cosmetic ingredient, individual sensitivities can vary. It is always good practice to recommend patch testing to end consumers, particularly those with known skin sensitivities. SLSa is also considered a sulfate-free surfactant, which is an increasingly important label claim for personal care brands targeting the clean beauty market.

Can SLSa be used in products other than bath bombs? Absolutely. While bath bomb SLSa pairings are among the most well-known applications, Sodium Lauryl Sulfoacetate powder is a versatile ingredient across the broader bath and body category. It works well in bubble bars, bath truffles, bath salts, body washes, liquid cleansers, and solid shampoo bars. Its compatibility with both soft and hard water makes it a dependable choice regardless of the geographic markets your products are sold into.