See your lashes at their fullest, naturally. Sugarlash PRO Lash Growth Serum, developed in collaboration with master lash artist Shigeru, is a unique, all-natural formula that strengthens and nourishes lashes and brows for maximum growth potential. This 100% lash extension-safe serum is loaded with keratin-building amino acids and is completely free of parabens, sulfates, oils, isopropyl cloprostenate, and synthetic prostaglandin analogs. Its lightweight, oil-free formula makes it perfect for daily use, even with lash extensions.