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Sodium Cocoyl Isethionate Powder (SCI 85%)

Quantity: 150 G
  • Sodium Cocoyl Isethionate (85%)

    Mild Solid Surfactant for Creamy, Gentle Cleansing

    INCI Name: Sodium Cocoyl Isethionate

    Appearance: Off white powder (85% active)

    Solubility: Dispersible in water (best combined with other surfactants)

    Usage Rate: 5–60% depending on product type

  • About Sodium Cocoyl Isethionate

    Our ready to use high purity Sodium Cocoyl Isethionate (SCI) is a mild, solid anionic surfactant derived from natural coconut fatty acids. Known for its exceptionally gentle cleansing profile, it is a staple in modern syndet (synthetic detergent) formulations where both foam quality and skin mildness are required.

    Benefits

    • Provides rich, creamy, and stable foam
    • Exceptionally mild, ideal for baby products, sensitive skin and hair
    • Reduces harshness of other surfactants when blended
    • Leaves a soft, conditioned after-feel on skin and hair
    • Biodegradable and derived from renewable sources

    Applications

    • Syndet shampoo bars and facial cleansing bars
    • Foaming facial cleansers and body washes
    • Shampoos for sensitive scalp and baby products
    • Creamy hand washes and bath foams

    Usage Guidelines

    SCI is used at 5–20% in liquid cleansers and up to 60% in solid bars. It works best when combined with co-surfactants such as Coco Betaine or Sodium Lauroyl Glutamate for optimal performance and easier processing. Requires gentle heating to disperse in the aqueous phase or may be blended with other surfactants to form stable bases.

  • Documents

    • Safety Data Sheet (SDS)
    • Certificate of Analysis (COA)
  • Frequently Asked Questions

    Q1. What is Sodium Cocoyl Isethionate (SCI) used for in cosmetics?

    It’s a sulfate-free anionic surfactant prized for creating dense, creamy, low-irritation foam. It’s the backbone of many solid shampoos, syndet bars, and gentle facial cleansers.

    Q2. Why choose the 85% active powder form?

    Powdered SCI (85% active) offers maximum concentration and flexibility. It blends easily with other powdered surfactants for solid formats, unlike prilled or noodle grades which contain more binders and are trickier to handle in DIY or small-batch production.

    Q3. How does SCI compare to harsher surfactants like SLS or SLES?

    SCI is dramatically milder. It cleanses effectively without stripping skin or hair lipids, making it suitable for baby products, facial cleansers, and sulfate-free shampoos. Foam is denser and creamier than the big, airy bubbles of sulfates.

    Q4. Does SCI work on its own, or does it need blending?

    It can work solo, but most formulas blend it with amphoterics like Cocamidopropyl Betaine or amino acid surfactants (like Sodium Lauroyl Glutamate) to boost foam, improve viscosity, and reduce dustiness in powders or bars.

    Q5. What are typical usage levels?

    • Syndet shampoo/cleansing bars: 40–80% of the solid surfactant phase
    • Creamy cleansers/facial washes: 5–20%
    • Shampoos/body washes: 3–15% (as part of a blend)

    Q6. Why is my SCI powder formula too crumbly or brittle?

    SCI on its own can produce hard, brittle bars. Adding plasticizers (like glycerin, sorbitol, or Propanediol), co-surfactants, or fatty alcohols improves flexibility and reduces crumbling.

    Q7. Why does SCI take so long to dissolve or melt?

    SCI has low solubility in water. It disperses better in hot surfactant solutions or with a co-surfactant system. For solid bars, pre-wetting with humectants or blending with faster-dissolving surfactants improves processing.

    Q8. Can SCI be used in clear liquid systems?

    Not easily. SCI tends to form opaque systems due to low solubility. It’s better suited for creams, pastes, or solids. For clear liquid cleansers, glucosides or sulfosuccinates are better choices.

    Q9. Is SCI suitable for “natural” or eco-positioned products?

    Yes. It’s derived from coconut fatty acids and is biodegradable. While not accepted in the strictest natural standards (like COSMOS without restriction), it’s widely used in “sulfate-free” and “eco-inspired” formulations.

    Q10. Where is SCI most effective?

    • Sulfate-free shampoos (dense foam, mild cleansing)
    • Syndet bars and facial cleansing bars
    • Cream cleansers and toothpaste foaming bases
    • Baby washes and sensitive-skin products

    Q11. Why is my SCI bar not foaming enough?

    SCI foam can be too creamy and dense on its own. Blending with amphoterics (like betaine) or adding a small amount of high-foam surfactant increases lather volume.

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