G.S. COSMECEUTICAL USA, Inc. is a privately-owned contract manufacturing company. Headquartered in Livermore, California, the company is a leader in providing R&D, manufacturing and warehousing services to physicians, cosmetic entrepreneurs, corporate manufacturers, beauty start-ups and leading professionals in the spa and beauty industry. The company formulates across a broad range of categories; including anti-aging skincare, face, body care and hair care, organic- and natural-based products, paraben-free cosmetics and over-the-counter (OTC) cosmeceutical products.