Clean-label formulating

Sodium Cumene Sulfonate in Sulfate-Free & SLS-Free Formulations

'Sulfate-free' and 'SLS-free' are among the fastest-growing claims in home and personal care. Formulators reformulating away from SLS/SLES still need clarity, viscosity control and cold stability — which is exactly where Sodium Cumene Sulfonate (a sulfonate, not a sulfate) earns its place.

Quick answer: Sodium Cumene Sulfonate is a sulfonate hydrotrope, not a sulfate surfactant — chemically distinct from SLS/SLES (which are sulfate esters). SCS itself is not the foaming/cleansing agent being removed in 'SLS-free' claims; it is the mild, biodegradable coupling agent that keeps sulfate-free blends clear and stable. That makes SCS a valuable enabler of clean-label, sulfate-free and SLS-free products.

Request price & sampleView SCS 40% (liquid)View SCS 90% (powder)

Sulfate vs sulfonate — why the distinction matters

SLS (sodium lauryl sulfate) and SLES are sulfate esters (R–O–SO3⁻). Sodium Cumene Sulfonate is a sulfonate (R–SO3⁻) bonded directly to an aromatic ring, which is more hydrolytically stable and functions as a hydrotrope/coupling agent rather than a primary detergent. So a brand can legitimately remove SLS/SLES for a 'sulfate-free' claim while retaining SCS for formulation performance.

  • SCS is not a sulfate — it does not conflict with a 'sulfate-free' positioning as a coupling aid
  • Milder than SLS: SCS is used at low levels and is not the harsh cleansing surfactant
  • Readily biodegradable and reviewed as safe by EPA/ECHA/CIR at in-use levels
  • Keeps mild sulfate-free blends (APG, betaine, isethionate, sarcosinate) clear and pourable

Where SCS helps in clean-label products

  • Sulfate-free shampoos and body washes — clarity and viscosity control of APG/betaine systems
  • Sensitive-skin and 'free-from' liquid soaps and facial cleansers
  • Eco-label household cleaners that need a biodegradable coupler
  • Fragrance and essential-oil solubilisation without adding solvents

Vasudev Chemo Pharma supplies SCS 40% liquid (for easy dosing into clear personal-care and cleaner batches) and SCS 90% powder (for concentrates and powders), both readily biodegradable and backed by SDS/COA documentation for clean-label claims support.

Related Pages & Products

Frequently Asked Questions

Is Sodium Cumene Sulfonate a sulfate?+
No. SCS is a sulfonate (the sulfur is bonded directly to the aromatic carbon), not a sulfate ester like SLS/SLES. It can therefore be used in products marketed as 'sulfate-free' as a coupling/solubilising aid.
Is SCS an SLS alternative?+
SCS and SLS do different jobs — SLS is a foaming/cleansing surfactant, SCS is a hydrotrope. SCS is not a drop-in foamer, but it is the coupling agent that helps SLS-free, milder surfactant systems stay clear and stable.
Is Sodium Cumene Sulfonate safe and biodegradable?+
At in-use concentrations SCS is classified as low-hazard by regulatory reviews and is readily biodegradable, which is why it is favoured in eco-conscious, clean-label formulations. Handle concentrates with normal PPE.
Does SCS support a clean-label claim?+
Yes — as a biodegradable, sulfate-free coupling agent it fits clean-label and 'free-from' positioning. We provide SDS/COA and regulatory inventory status (REACH/TSCA etc.) to support your claims documentation.

Get SCS 40% / 90% pricing and a free sample

Send your grade (40% liquid or 90% powder), quantity, packaging, destination port and incoterm. Vasudev Chemo Pharma — an ISO 9001:2015 certified manufacturer in Gujarat, India — replies within 24 hours with price, lead time, COA/SDS and a free evaluation sample.

Request a QuoteSCS 40% →SCS 90% →