 While the advantages of latex have made it the most popular condom material , it does have some drawbacks . Latex condoms are damaged when used with oil @-@ based substances as lubricants , such as petroleum <unk> , cooking oil , baby oil , mineral oil , skin <unk> , <unk> <unk> , cold <unk> , butter or <unk> . Contact with oil makes latex condoms more likely to break or slip off due to loss of elasticity caused by the oils . Additionally , latex allergy <unk> use of latex condoms and is one of the principal reasons for the use of other materials . In May 2009 the U.S. Food and <unk> Administration granted approval for the production of condoms composed of <unk> , latex that has been treated to remove 90 % of the proteins responsible for allergic reactions . An <unk> @-@ free condom made of synthetic latex ( polyisoprene ) is also available . 
