Sodium isostearoyl lactylate

Sodium isostearoyl lactylate (CAS 66988-04-3 ), commercially known as PATIONIC ISL, is a lactylate-based anionic surfactant derived from isostearic acid and lactic acid. It functions as an emulsifier and rheology modifier across food processing and personal care manufacturing.

This versatile ingredient helps stabilize oil-in-water systems and condition interfacial films in complex formulations. In baked goods and dough systems, it strengthens gluten networks and improves dough machinability, contributing to consistent crumb structure.

The additive also helps extend shelf life by maintaining moisture and texture integrity over time. Personal care formulators use it to stabilize emulsions in creams and lotions where conventional surfactants may compromise skin feel or formulation mildness.

In conditioning hair care products, it supports uniform distribution of actives and improves the sensory profile of rinse-off formats. Food manufacturers also incorporate it into whipped toppings and dairy analog products to control aeration.

By preventing phase separation during processing, it ensures a high-quality final product for the consumer. Sodium isostearoyl lactylate is typically supplied as a paste or soft solid, reflecting the branched-chain fatty acid profile of isostearic acid.

Food-grade and cosmetic-grade specifications are the standard commercial offerings for industrial use. Food-grade material is produced to meet applicable purity and additive regulations to ensure safety and compliance across global markets.

Packaging is commonly available in drums or totes suited to industrial-scale procurement and logistics. This ensures that manufacturers can maintain consistent supply chains for large-scale production of food and cosmetic goods.

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