Sodium Poly (Naphthaleneformaldehyde) Sulfonate (S1161)

Sodium Poly (Naphthaleneformaldehyde) Sulfonate (S1161), also known by its INCI name Sodium Polynaphthalenesulfonate, is a versatile ingredient widely recognized for its multifunctional capabilities in cosmetic formulations. This sodium salt, derived from the condensation polymerization of naphthalene sulfonic acid and formaldehyde, serves as an effective emulsion stabilizer, surfactant, and suspending agent. Thanks to its ability to enhance the stability and texture of products, it provides a smooth and uniform application while ensuring ingredients remain evenly distributed. Its unique properties make it a valuable addition to various cosmetic formulations, enhancing both performance and user experience.