HA bụ hyaluronic acid, nke a na-akpọkarị hyaluronic acid, aha bekee zuru oke: hyaluronic acid.Hyaluronic acid bụ nke ezinụlọ glycosaminoglycan, nke mejupụtara nkeji disaccharide ugboro ugboro.Ahụ mmadụ ga-etinye ya ma mebie ya.Oge ọrụ ya dị ogologo karịa nke collagen.Ọ nwere ike ịgbatị oge ihe omume site na njikọ njikọ, na mmetụta ahụ nwere ike ịdịru ọnwa 6-18.