Shanghai Cosroma Biotech Co., Ltd. is based in China and lists cosmetic and chemical ingredients on Global Trade Plaza. The company offers Ascorbyl Tetraisopalmitate, an oil-soluble Vitamin C derivative used in anti-aging serums, eye treatments, and skin-lightening gels and creams. It also supplies Potassium Azeloyl Diglycinate, an active ingredient for skin illumination and sebum reduction, and 3-O-Ethyl Ascorbic Acid, a stable Vitamin C derivative for whitening and anti-wrinkle formulations. The listed ingredients include detailed specifications such as assay, specific gravity, refractive index, pH, density, solid content, melting point, and purity by HPLC. Buyers can send an enquiry through Global Trade Plaza.