Choya loban is being produced by adding benzoin directly, and heated in special earthern ware and the more volatile principles of the gum are distilled into the receiving vessel. This is the natural way to produce Choya loban.There has been little dedicated research into the medical properties of styrax resin, but it has been used for long, and apparently with favorable results. Styrax resin mixed with other antibiotic substances and hardening material gives a good dental restorative material.Tincture of benzoin is benzoin resin dissolved in alcohol. This and its numerous derived versions like lait virginal and Friars Balsam were highly esteemed in 19th-century European cosmetics and other household purposes; they apparently had antibacterial properties. Today tincture of benzoin is most often used in first aid for small injuries, as it acts as a disinfectant and local anesthetic and seems to promote healing.The antibiotic activity of benzoin resin seems mostly due to its abundant benzoic acid and benzoic acid esters, which were named after the resin. other less well known secondary compounds such as lignans like pinoresinol are likely significant too.