Surfactants—used as wetting agents, emulsifiers, dispersants, and detergents—are foundational to textile and leather processing, from scouring and dyeing to finishing. Traditional surfactants often contain nonylphenol ethoxylates (NPEs) or other persistent substances that disrupt aquatic ecosystems and pose regulatory challenges. In response, sustainable surfactant development emphasizes biodegradable, non-toxic alternatives derived from natural or renewable sources. Sugar-based (alkyl polyglucoside), amino acid-based, and sulfonate-based surfactants now offer effective cleaning and emulsification properties while meeting environmental safety standards. Additionally, manufacturing practices are evolving to reduce energy inputs and ensure compliance with ZDHC, REACH, and regional wastewater regulations. Transparency in sourcing and formulation is essential, as surfactants can constitute a significant portion of process chemistry. Through certified suppliers and B2B platforms, brands and manufacturers gain access to surfactants that support both effective processing and responsible chemical stewardship.