SOSUM SSosum S Fine Line Dermal Filler for Superficial Wrinkles Sosum S is a highly purified, cross linked hyaluronic acid filler designed for treating fine lines, under eye hollows, and delicate facial areas. With its smooth and soft texture, Sosum S allows precise application and natural looking results, especially in sensitive zones like the periorbital area. Key Ingredients Cross linked Hyaluronic Acid 20 mg ml Phosphate Buffer pH stabilized What It