Cystine Bis-Pg-Propyl Silanetriol Geen beoordeling New ingredients No known benefits Cystine Bis-Pg-Propyl Silanetriol description Functions: Skin Conditioning Why isn’t this ingredient rated? Rest assured our team is or will soon be working on it. Going through research takes time and ingredient studies require in-depth analysis. Our goal is to provide the most accurate information possible. This ingredient database is updated daily, so check back often for the latest information.