Yellow wedding ceremony bands can be hypoallergenic, depending on the metals used within the alloy. pure gold is hypoallergenic, however the metals it's miles alloyed with, which includes nickel, can purpose allergic reactions in some human beings. if you have touchy skin, look for yellow wedding bands made with alloys that exclude nickel, consisting of the ones mixed with copper or silver. rather, you could choose better karat gold (18k or 22k) because it has a better percentage of pure gold and is less likely to cause an allergic reaction.