Sodium Cocoyl Isethionate (SCI) CAS 6789-32-0 | Mild Anionic Surfactant | Supplier — Onerchem
Sodium Cocoyl Isethionate (SCI) — coconut-derived mild anionic surfactant for shampoo bars, solid cleansers, and gentle liquid washes. Rich creamy lather, skin-compatible pH. COA/MSDS available. B2B cosmetic ingredient supplier.
“Wholesale Pricing Available”
“Global Shipping – Technical Support Included”
Description
Mild Surfactant · Solid Cleanser Base · Natural-Derived
Sodium Cocoyl Isethionate
CAS 6789-32-0 · SCI · Sodium 2-(cocoyloxy)ethanesulfonate
≥85%
Active Content
Use Level
20 – 70%
Primary cleansing agent in solids
Form Factor
Powder / Noodles
Solid — melts above 45°C
Foam Type
Rich, creamy
Dense lather even in hard water
Skin pH
5.5 – 6.5
Near skin-neutral — gentle
Why Sodium Cocoyl Isethionate
1
The mildest solid surfactant for facial and sensitive skin cleansers
SCI's isethionate moiety gives it a skin pH range (5.5–6.5 in use) significantly closer to the acid mantle than traditional soap (pH 9–10). Zein protein studies and in-vivo testing consistently show SCI produces less transepidermal water loss and fewer irritation markers than SLS, SLES, or conventional soap — even at high concentrations in solid format. This combination of cleaning efficiency and skin compatibility is why SCI has become the dominant primary surfactant in premium solid cleanser and syndet bar formulation.
2
Enables zero-plastic, solid-format cleansers without compromising performance
The global shift toward solid beauty formats — driven by sustainability positioning, plastic reduction, and travel convenience — requires a primary surfactant that works at high concentrations in a melt-and-pour or cold-press process, produces elegant lather, and rinses clean. SCI delivers all three. At 40–70% in a syndet bar or cleansing bar, it creates a luxurious, dense foam that consistently benchmarks above liquid cleansers at equivalent concentration — a key commercial requirement for premium solid positioning.
3
Coconut-derived — compatible with natural and COSMOS certification frameworks
SCI is derived from coconut fatty acids and isethionic acid, giving it a natural origin story that is compatible with major certification standards including COSMOS and Ecocert, provided the specific manufacturing pathway and raw material sourcing meet certification requirements. For brands building formulas around "natural", "clean beauty", or sustainability-forward positioning, SCI is the technically superior alternative to petrochemical surfactants that cannot carry these claims.
Why SCI Is Gentler Than Soap and SLS
Mechanism · Mild Anionic Surfactancy
Three properties that separate SCI from conventional cleansers
Property 1
Skin-Compatible pH
Traditional soap has a pH of 9–10 at point of use, which disrupts the skin's acid mantle and temporarily raises the pH of the stratum corneum — triggering barrier disruption, alkaline protease activation, and increased TEWL. SCI in a syndet bar produces a wash-water pH of 5.5–6.5, remaining within the skin's buffering capacity and preserving acid mantle integrity with every wash.
Property 2
Lower Protein Denaturing Potential
SLS and SLES denature skin proteins and intercalate into the lipid bilayer of the stratum corneum, causing direct barrier damage at the molecular level. SCI's milder anionic character and larger head group reduce this intercalation — cleaning the skin surface without disrupting the intercellular lipid structure that maintains barrier function. The practical result is less post-wash tightness and dryness.
Property 3
Hard Water Performance
Unlike traditional soap, which forms insoluble calcium and magnesium salt scum in hard water (reducing lather and leaving a film on skin), SCI's isethionate group is resistant to hard water precipitation. It maintains lather quality and rinse-off performance across a wide range of water hardness — an important practical advantage for global distribution to markets with variable water quality.
Formulation Parameters
Key Parameters
Use level (solid bar)20% – 70%
Use level (liquid)5% – 20%
Active content≥ 85% SCI
Processing temp60–80°C (melt process)
Melting point~45–55°C
In-use pH5.5 – 6.5 (skin-compatible)
Syndet Bar Reference Formula
SCI (powder/noodles)50%
Sodium Methyl Lauroyl Taurate15%
Stearic Acid10%
Glycerin8%
Carrier oils / butters5%
Water + actives + preservativeto 100%
Ingredient Compatibility
✓ Recommended Co-Surfactants
✓Sodium Methyl Lauroyl Taurate / Cocoyl Taurate — Ideal co-surfactants; both are mild anionic amphoteric surfactants that complement SCI's foam profile and improve the bar's sensory
✓Cocamidopropyl Betaine — Amphoteric booster for foam volume and mildness; reduces irritation potential in facial cleansing bars
✓Glycerin, Sorbitol — Humectant additions that improve skin feel during and after washing; incorporate into water or melt phase
✓Skin actives (Niacinamide, Panthenol, Ceramides) — Leave-on benefit actives incorporated into the bar matrix deliver skin conditioning claims alongside cleansing
⚠ Formulation Notes
⚠High-pH systems (>7.5) — SCI hydrolyses at high pH over time; keep formula pH below 7.0 and avoid highly alkaline co-ingredients that could cause long-term pH drift
⚠Cationic ingredients (BTMS, quats) — Cationic/anionic incompatibility in the same phase. Can be used in rinse-off formats where they do not co-exist at high concentration during processing
⚠High water content (>20% in bar) — Increases bar softness and reduces shelf life. Optimise water content for bar hardness, or use anhydrous formulation for maximum stability
Target Applications
Syndet Facial Cleansing Bars
Primary surfactant at 40–60%. The gold standard for mild, pH-balanced solid facial cleansers — the format gaining most share in premium cleansing as consumers move away from soap.
Body & Shower Bars
At 50–70% in solid body bars. Rich lather, excellent rinse-off, and skin-conditioning feel versus traditional soap. Supports "gentle daily cleanse" and sensitive skin claims.
Shampoo Bars
At 30–50% with co-surfactants. Provides primary cleansing in solid shampoo formats — the fastest-growing solid beauty segment — with scalp-compatible pH and good hard water performance.
Baby & Children's Cleansers
Skin-compatible pH and low irritation profile make SCI one of the safest primary surfactants for paediatric cleansing formats where barrier preservation is the primary concern.
Natural & Eco-Certified Ranges
Coconut-derived origin supports COSMOS, Ecocert, and natural positioning. Solid format eliminates plastic packaging — doubly relevant for sustainability-forward brand strategy.
Liquid Cleansers (secondary role)
At 5–15% as secondary surfactant in liquid facial cleansers and body washes where extra mildness and foam quality are required alongside primary anionic or amphoteric systems.
Supplier Information · Onerchem
Sourcing Sodium Cocoyl Isethionate from Onerchem
SCI supplied as powder or noodles, ≥85% active content. Batch-specific COA and MSDS with each order. Custom pack sizes available — contact us for MOQ and lead time.
Supply Details
Pack sizeCustom — as required
MOQContact for quote
SampleYes · 100 g available
Lead timeContact for current schedule
Quality & Documentation
Active content≥ 85% SCI verified
COABatch-specific, every order
MSDSAvailable on request
Pre-order COAAvailable — email request
Storage & Logistics
StorageCool, dry — below 30°C
Shelf life24 months sealed
Ships fromMainland China
MarketsEU · GCC · ASEAN · North America
Active Content ≥85%
Batch-Specific COA
EU Cosmetics Compliant
REACH Documentation
Coconut-Derived Origin
7-Day Inspection Window
Response within 1 business day
Pre-order COA available
Custom pack sizes
7-day quality inspection window
Replacement or full refund
Reviews (0)
Shipping and Delivery
Onerchem B2B
✈ Ships from China
Shipping &
Delivery
All orders ship from our facility in mainland China. Samples are dispatched within 7 working days. Bulk orders follow a confirmed production schedule — with full documentation in every parcel.
≤7
Days · Sample dispatch
15–40
Days · Bulk lead time
Global
EU · GCC · ASEAN · NA
COA
Included every shipment
Dispatch Timeline
When does my order ship?
Dispatch timelines differ between sample and bulk orders. A confirmed dispatch date is always provided at order confirmation.
Sample Orders
≤7 working days
From order confirmation to dispatch
Samples are QC-checked, weighed, and packed individually. Your COA and MSDS are printed and included in the parcel before sealing. Most sample orders ship ahead of the 7-day window.
Tracking number provided on dispatch · Express courier available on request
Bulk Orders
15–40 working days
Varies by quantity and specification
Lead time is determined by order volume, packaging format, and whether custom labelling or documentation is required. A production and dispatch schedule is confirmed in writing at the time of order.
Schedule confirmed at order · Progress updates available on request
Process
From order to delivery
Four steps from confirmed order to goods in hand.
01
Order Confirmed
Written confirmation sent within 1 business day. Dispatch schedule and freight quote included for bulk orders.
02
QC & Packing
Batch is QC-checked against HPLC data. COA and MSDS are generated and packed with the shipment.
03
Dispatch
Shipment handed to carrier. Tracking number and commercial invoice sent to buyer by email on the same day.
04
Delivery
Goods arrive at destination. 7 working-day inspection window begins from the confirmed delivery date.
Transit Times by Region
Estimated time in transit
Transit estimates run from dispatch date and exclude customs clearance time, which varies by country and commodity.
| Region | Est. Transit | Notes |
|---|---|---|
| EU & UK | 7–14 days | Import duties and VAT assessed at customs — payable by buyer. REACH compliance documentation available on request. |
| GCC / Middle East | 5–10 days | Customs clearance handled by buyer or nominated freight agent. Certificate of Origin available on request. |
| ASEAN | 4–8 days | Country-specific import licences or permits may apply for certain actives. Buyer is responsible for pre-shipment compliance checks. |
| North America | 7–14 days | FDA Prior Notice may be required for cosmetic actives. Buyers are advised to confirm import classification before ordering. |
| Other Regions | 10–20 days | Contact us to confirm shipping availability and any documentation requirements specific to your country. |
All transit times are estimates only · Delays may occur due to customs inspection, public holidays, or carrier disruption
Freight & Documentation
Costs and paperwork
Freight is quoted individually based on weight, destination, and Incoterm. Full shipping documentation is prepared for every order.
Freight Policy
—Freight cost quoted at order confirmation
—Rates based on gross weight, destination, and selected Incoterm
—Express courier (DHL / FedEx / UPS) available on request
—Sea freight available for larger bulk orders
—Import duties and local taxes are the buyer's responsibility
Documents Included
✓Commercial Invoice
✓Packing List
✓Certificate of Analysis (batch-specific)
✓MSDS / Safety Data Sheet
✓Certificate of Origin — on request
Need a freight quote or shipping advice?
Email us with your destination, estimated order weight, and preferred Incoterm — we'll respond within 1 business day.
Global shipping
EU · GCC · ASEAN · Americas
Samples ≤7 working days
From order confirmation
Full documentation
COA · MSDS · Invoice · Packing list
Tamper-evident packing
UV-protected, sealed containers
Reviews
There are no reviews yet.