BioSil's ch-OSA® : The Scientific Breakthrough in Collagen
Rigorous double-blind, placebo-controlled clinical trials prove that BioSil®'s patented ch-OSA® reduces fine lines and wrinkles, increases skin elasticity, strengthens and thickens hair, hardens nails, and promotes healthy bones and joints. BioSil®'s historic discovery is now considered the scientific breakthrough in collagen.