Nano platinum solution 1.Black liquid 2.Skin care, antiaging 3.Biocatalysis 4.For food, cosmetics, medicines, etc. Antiaging nano platinum solutionBiocatalysis, skin care, antiaging, non-toxic[Product Introduction]Platinum as the precious metals, processed into nano-level particles, has a strong oxidation effect, and can eliminate free radicals in human body, Excellent dispersion, without any ...