SLSyhdistelmät

SLSyhdistelmät (Finnish for "SLS combinations") is a term used in chemical formulation to describe mixtures that include sodium lauryl sulfate (SLS) as a primary surfactant along with co-surfactants and additives. The term appears in Finnish industrial documentation and product development contexts.

Composition: Typical SLSyhdistelmät blend SLS with co-surfactants such as SLES or cocamidopropyl betaine (CAPB), along with buffers and rheology modifiers. Additives like fragrances or colorants may be included to adjust properties such as foam, viscosity, and mildness.

Applications: They are used in detergents, shampoos, body washes, and some household cleaners. In shampoos, blends are designed to maintain rich foam while reducing potential irritation through the use of milder co-surfactants.

Benefits and considerations: Blends can improve cleansing performance and formulation flexibility. Potential downsides include irritation for sensitive skin, environmental concerns related to sulfates, and regulatory limits on ingredients and labeling.

Regulation and safety: SLS-based blends fall under cosmetic and chemical safety regimes in many markets, requiring safety assessments, clear labeling, and compliance with rules such as REACH. Manufacturers assess irritation, ecotoxicity, and biodegradability.

See also: Sodium lauryl sulfate; Surfactants; Cosmetic formulation; Detergents.