Hyaluronic acid bụ ihe ebumpụta ụwa, viscous ma dịkwa nro nke ahụ mmadụ na-emepụta.Ọ bụ polysaccharide nke dị na akpụkpọ ahụ, cartilage, akwara, ọkpụkpụ na anya nke ahụ mmadụ.Hyaluronic acid nke ọkwa ahụike bụ otu n'ime hyaluronic acid anyị nwere ike iji ya na akpụkpọ ahụ, ihu ma ọ bụ ọkpụkpụ anyị.Ọ bụrụ na anyị ejiri hyaluronic acid dị ọkwa ahụike n'ime akpụkpọ ahụ anyị, ọ nwere ike ịnapụta ngbanwe akpụkpọ ahụ ngwa ngwa.Ọ bụrụ na ị na-enwe ụfọdụ nsogbu akpụkpọ ahụ, ikekwe ị nwere ike ịnwa ịhọrọ hyaluronic acid nke ọkwa ahụike anyị.